8677 + Interview Questions in Maths in Class 14 Page 39 InterviewSolution

1901.	ABCD is a cyclic quadrilateral in which AB is a diameter, BC = CD and angleA=50^(@) then angleDBC is :
Answer» `25^(@)` `20^(@)` `45^(@)` `30^(@)` ANSWER :B

Discussion

1902.	The solution set of the expression 1/((1 + p)^n) = 1 is :
Answer» [-1, 2] (0, 1) {-2, 0} {-1, 1} ANSWER :C

Discussion

1903.	What is the maximum percentage discount (approximately) that a merchant can offer on his marked price so that he ends up selling at no profit or loss, if he initially marked his goods up by 40% ?
Answer» ANSWER :0.285

Discussion

1904.	40 %marks are required to pass an examination . A got 10%less marksfrom the passing mark .B got 11(1)/(9)% less marks than A and C gto 41 (3)/(17)%less marksthan (A + B) . Findoutmarkspercentageof C.
Answer» ANSWER :40

Discussion

1905.	Inn + (2)/( 3)n + (1)/(2) n + (1)/( 7) n = 97 then the value of n is
Answer» odd even prime multiple of 3 Answer :B

Discussion

1906.	Each of the numbers x_1,x_2,x_3,x_4,x_5,...,x_n x_nge4 is equal to -1 or 1. If x_1x_2x_3+x_2x_3x_4+x_3x_4x_5+...x_(n-3)x_(n-2)x_(n-1)+x_(n-2)x_(n-1)x_n=0the minumum number of x_i(i.e., x_1,x_2,x_3,…x_n) are equal to -1 is:
Answer» `n/3` `(n+2)/3` `(n-2)/2` none Answer :A

Discussion

1907.	Jagatram, a milk sellerhascertainquantity of milkto sell. In water ratio he shouldmix water to gain5% by sellingthe mixture at the cost price ?
Answer» `1:10` `1:5` `1:20` `1:15` ANSWER :C

Discussion

1908.	sin1 2^(@)sin4 8^(@)sin5 4^(@)=
Answer» ANSWER :`(1)/(8)`

Discussion

1909.	A businessman, had income in the year 1995 such that he earned a profit of 20%on his investment in the business. In the year 1996 his investment was less by Rs. 5000 but still had the same income (Income = Investment + profit) as that in 1995. Thus the percent profitearned in 1996 increased by 26% . What was his investment in 1995?
Answer» ANSWER :RS. 105000

Discussion

1910.	Find the sum of n terms of the series 135 + 357 + 579 + …. is :
Answer» `n(8n^3 + 11n^2 - n + 3)` `n(2N^3 + 8n^2 + 7n -2)` `8n^3 + 12n^2 - 2n - 3` none of these Answer :B

Discussion

1911.	A' goes 10 km.distance with average speed of 6km/hr while rest 20 km he travels with an average speed of 15km/hr.What is the average speed of 'A' during the whole journey?
Answer» 10 km/h 12 km/h 13 km/h 14.5 km/h Answer :A

Discussion

1912.	What was the day of the week on 17th august 2010 ?
Answer» a) Sunday B) Wednesday C) Tuesday d) FRIDAY ANSWER :C

Discussion

1913.	If a certain sum on compound interest becomes Rs. 2000 in 2 years and Rs. 2200 in 3 years, find rate of interest per annum
Answer» ANSWER :`10%`

Discussion

1914.	If thesimple interest on a certain sum at 4% p.a. for 2 years is Rs. 80 then find the compound interest on the same sum for the same period ?
Answer» ANSWER :RS. 81.60

Discussion

1915.	In the given figure the two chords AC and BC are equal. The radius OC intersect AB at M, then AM : BM is :
Answer» `1:1` `SQRT2:3` `3:sqrt2` NONE of these Answer :A

Discussion

1916.	Every day a mongo seller sells half his stock 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did he start with on the first day?
Answer» 25000 24000 30000 32000 Answer :B

Discussion

1917.	3 male and 3 female singers sat around a circular table. Alka is a female singer did not sat adjacent to a male singer and Sonu is a male singer did not sat adjacent to a female singer. In how many ways this could be done?
Answer» 4 6 9 10 Answer :A

Discussion

1918.	Find the cost of paving a courtyard 316.8 m xx 65m with stones measuring 1.3 m xx 1.1 m at Rs. 0.5 per stone :
Answer» `₹1440` `₹7200` `₹72000` NONE of these Answer :A

Discussion

1919.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting 10 tees.
Answer» 0 1 2 10 Answer :B

Discussion

1920.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting at most 4 tees.
Answer» 5 1 4 10 Answer :A

Discussion

1921.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting any number of tees.
Answer» 0 1 2 11 Answer :D

Discussion

1922.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting4 tees.
Answer» 0 1 2 10 Answer :B

Discussion

1923.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting at least4 tees.
Answer» 4 1 2 none of these Answer :D

Discussion

1924.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting 1 tee.
Answer» 0 1 2 10 Answer :B

Discussion

1925.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting at least 1 tee.
Answer» 0 1 2 10 Answer :D

Discussion

1926.	Two trains A and B travel from points X to Y and the ratio of the speeds of A to that of B is 2 : 7. Find the ratio of time taken by A and B to reach from X to Y.
Answer» `2:5` `3:5` `3:8` `7:2` ANSWER :D

Discussion

1927.	Answer these questions based on the following information. At DLF mall Gurugram, there is a store that sells premium T-shirts. At this store there is a self that has exactly 10 red tees (or T-shirts) of same colour, size and style, and I am interested in buying tees from this shelf only. Find the number of ways of selecting at most 1 tee.
Answer» 0 1 2 10 Answer :C

Discussion

1928.	If [x] is the greatest integer less than or equal to x, then find the value of the following series [sqrt1]+[sqrt2]+[sqrt3]+[sqrt4]+...+[sqrt(323)
Answer» 3237 2373 3723 none Answer :C

Discussion

1929.	The probabilities that a student will receive an A,B,C or D grade are 0.4,0.3,0.2 and 0.1 respectively. Find the probability that a student will receive B or C grade.
Answer» A.0.2 B.0.5 C.0.8 D.0.6 Answer :B

Discussion

1930.	A △DEF is formed by joining the mid-points of the sides of △ ABC. Similarly, a △ PQR is formed by joining the mid-points of the sides of the △ DEF. If the sides of the △ PQR are of lengths 1, 2 and 3 units, what is the perimeter of the AABC?
Answer» 18 units 24 units 48 units Cannot be determined Answer :B

Discussion

1931.	Delta ABC is an isosceles triangle and AB = AC. If all the sides AB. BC and CA of a Delta ABC touch a circle at D, E and F respectively. Then BE is equal to :
Answer» `(1)/(2)` BC `(1)/(3)` BC `(1)/(4)` BC `(2)/(3)` BC Answer :A

Discussion

1932.	How many cubic metres of water fill a pipe which is 3500 m long and 0.08 m in diamter ?
Answer» `17.5 m^3` `17.6 m^3` `21 m^3` `35 m^3` ANSWER :B

Discussion

1933.	The ratio of cost price and selling price is 5 : 4, the loss percent is :
Answer» ANSWER :0.2

Discussion

1934.	Find the value of, (4)/(3)cot^(2)30^(@)+3sin^(2)60^(@)-2" cosec"^(2)60^(@)-(3)/(4)tan^(2)30^(@):
Answer» 44265 44266 4 none of these Answer :A

Discussion

1935.	If the arms of one angle are respectively parallel to the arms of another angle, then the two angles are :
Answer» EITHER EQUAL or supplementary neither equal not supplemetary equal but not supplementary not equal but supplementary Answer :A

Discussion

1936.	The radius and height of a right circular cone are in the ratio of 5:12 . If its volume is 314""(2)/(7) m^3, its Slant height is :
Answer» 26 m 19.5 m 13 m none of these Answer :C

Discussion

1937.	if the equality 1/x-1 = 2/x-2 is satisfied by x then the value of x will be :
Answer» 2 1 `1/2` 0 Answer :D

Discussion

1938.	Convert (1101.0101)_2 in base 10 (i.e., decimal system)
Answer» SOLUTION :`(1101.0101)=1xx2^3+1xx2^2+0xx2^1+1xx2^0+0xx2^-1+0xx2^-3+1xx2^-4` `=8+4+0+1+0+0.25+0+0.0625=(13.3125)_10`

Discussion

1939.	A and B began business with Rs.3000 and Rs.4000 after 8 months, A withdraws Rs.1000 and B advances Rs.1000 more. At the end of the year, their profits amounted to Rs.630 find the share of A ?
Answer» A) RS. 240 B) Rs. 75 C) Rs. 125 D) Rs. 354 Answer :9375

Discussion

1940.	A, B and C entered into a partnership. IF the profit earned in the business is proportional to the investment and the period of investment then What is the profit of B if all of them invested the amount for one year and total profit is Rs.x. A. A invested Rs.1500 more than that of C. B. A invested 2 times more than that of B. C invested 3 times more than that of A. C. B invested 200 percent more than that of A and 100% less than that of C.(a) Any two of them(b) B or C alone(c) Any of them(d) None of these
Answer» Any two of them Either B or C alone Any of them None of these Solution :We can get ratio of INVESTMENT from either STATEMENT B alone or C alone so profit of B can be DETERMINED from option b

Discussion

1941.	Mean proportional between 17 and 153 is :
Answer» 51 24 4 34 Answer :A

Discussion

1942.	Directions (Q. Nos. 1-5) The pie charts below show the percentage of students in each faculty at North-West University and the number of non- US students in the Arts faculty. These percentages have been rounded to the nearest whole number. There are a total 1049 students in Arts faculty. Use this information to answer the fallowing questions. If 6%of Science students are Asian, how many Asian students are studying Science?
Answer» 48 66 120 57 Answer :D

Discussion

1943.	Directions (Q. Nos. 1-5) The pie charts below show the percentage of students in each faculty at North-West University and the number of non- US students in the Arts faculty. These percentages have been rounded to the nearest whole number. There are a total 1049 students in Arts faculty. Use this information to answer the fallowing questions. How many students are there in the Engineering faculty?
Answer» 420 410 390 440

Discussion

1944.	Directions (Q. Nos. 1-5) The pie charts below show the percentage of students in each faculty at North-West University and the number of non- US students in the Arts faculty. These percentages have been rounded to the nearest whole number. There are a total 1049 students in Arts faculty. Use this information to answer the fallowing questions. How many students are there at the University?
Answer» `14%` `18%` `16%` `15%` ANSWER :D

Discussion

1945.	A circle and a square have the same perimeter then
Answer» The area of the circle is EQUAL to that of SQUARE. The area of the circle is larger than that of square. The area of the circle is LESS than that of square. No CONCLUSION can be drawn. Answer :B

Discussion

1946.	The value of sqrti+sqrt(-i) is :
Answer» 1 `SQRT2` -i none of these Answer :B

Discussion

1947.	Study the following graph carefully and answer the questions that follow What is the differencebetween the total number of students passing out fromcollegeeA and the total number o students passing out from college El.
Answer» 20500 None of these 10500 10000 Answer :B

Discussion

1948.	Which of the given factories has recorded the maximum percentage growth in production of cement from 2009 to 2010?
Answer» D A B C Answer :A

Discussion

1949.	IF allthe wordsformedby the wordRAINBOWare arrangedin a dictionaryformthenwhat isthe positionof thewordRAINBOWin thatdictionary ?
Answer» 3136 3631 3361 1363 Answer :B

Discussion

1950.	Divide 37 into two parts so that 5 times one part and 11 times the other are together 227. The parts are
Answer» 15, 22 20, 17 25,12 30, 7 Answer :D

Discussion

Explore topic-wise InterviewSolutions in .

ABCD is a cyclic quadrilateral in which AB is a diameter, BC = CD and angleA=50^(@) then angleDBC is :

The solution set of the expression 1/((1 + p)^n) = 1 is :

What is the maximum percentage discount (approximately) that a merchant can offer on his marked price so that he ends up selling at no profit or loss, if he initially marked his goods up by 40% ?

40 %marks are required to pass an examination . A got 10%less marksfrom the passing mark .B got 11(1)/(9)% less marks than A and C gto 41 (3)/(17)%less marksthan (A + B) . Findoutmarkspercentageof C.

Inn + (2)/( 3)n + (1)/(2) n + (1)/( 7) n = 97 then the value of n is

Each of the numbers x_1,x_2,x_3,x_4,x_5,...,x_n x_nge4 is equal to -1 or 1. If x_1x_2x_3+x_2x_3x_4+x_3x_4x_5+...x_(n-3)x_(n-2)x_(n-1)+x_(n-2)x_(n-1)x_n=0the minumum number of x_i(i.e., x_1,x_2,x_3,…x_n) are equal to -1 is:

Jagatram, a milk sellerhascertainquantity of milkto sell. In water ratio he shouldmix water to gain5% by sellingthe mixture at the cost price ?

sin1 2^(@)sin4 8^(@)sin5 4^(@)=

Find the sum of n terms of the series 1*3*5 + 3*5*7 + 5*7*9 + …. is :

A' goes 10 km.distance with average speed of 6km/hr while rest 20 km he travels with an average speed of 15km/hr.What is the average speed of 'A' during the whole journey?

What was the day of the week on 17th august 2010 ?

If a certain sum on compound interest becomes Rs. 2000 in 2 years and Rs. 2200 in 3 years, find rate of interest per annum

If thesimple interest on a certain sum at 4% p.a. for 2 years is Rs. 80 then find the compound interest on the same sum for the same period ?

In the given figure the two chords AC and BC are equal. The radius OC intersect AB at M, then AM : BM is :

Every day a mongo seller sells half his stock 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did he start with on the first day?

3 male and 3 female singers sat around a circular table. Alka is a female singer did not sat adjacent to a male singer and Sonu is a male singer did not sat adjacent to a female singer. In how many ways this could be done?

Find the cost of paving a courtyard 316.8 m xx 65m with stones measuring 1.3 m xx 1.1 m at Rs. 0.5 per stone :

Two trains A and B travel from points X to Y and the ratio of the speeds of A to that of B is 2 : 7. Find the ratio of time taken by A and B to reach from X to Y.

If [x] is the greatest integer less than or equal to x, then find the value of the following series [sqrt1]+[sqrt2]+[sqrt3]+[sqrt4]+...+[sqrt(323)

The probabilities that a student will receive an A,B,C or D grade are 0.4,0.3,0.2 and 0.1 respectively. Find the probability that a student will receive B or C grade.

A △DEF is formed by joining the mid-points of the sides of △ ABC. Similarly, a △ PQR is formed by joining the mid-points of the sides of the △ DEF. If the sides of the △ PQR are of lengths 1, 2 and 3 units, what is the perimeter of the AABC?

Delta ABC is an isosceles triangle and AB = AC. If all the sides AB. BC and CA of a Delta ABC touch a circle at D, E and F respectively. Then BE is equal to :

How many cubic metres of water fill a pipe which is 3500 m long and 0.08 m in diamter ?

The ratio of cost price and selling price is 5 : 4, the loss percent is :

Find the value of, (4)/(3)cot^(2)30^(@)+3sin^(2)60^(@)-2" cosec"^(2)60^(@)-(3)/(4)tan^(2)30^(@):

If the arms of one angle are respectively parallel to the arms of another angle, then the two angles are :

The radius and height of a right circular cone are in the ratio of 5:12 . If its volume is 314""(2)/(7) m^3, its Slant height is :

if the equality 1/x-1 = 2/x-2 is satisfied by x then the value of x will be :

Convert (1101.0101)_2 in base 10 (i.e., decimal system)

A and B began business with Rs.3000 and Rs.4000 after 8 months, A withdraws Rs.1000 and B advances Rs.1000 more. At the end of the year, their profits amounted to Rs.630 find the share of A ?

Mean proportional between 17 and 153 is :

A circle and a square have the same perimeter then

The value of sqrti+sqrt(-i) is :

Study the following graph carefully and answer the questions that follow What is the differencebetween the total number of students passing out fromcollegeeA and the total number o students passing out from college El.

Which of the given factories has recorded the maximum percentage growth in production of cement from 2009 to 2010?

IF allthe wordsformedby the wordRAINBOWare arrangedin a dictionaryformthenwhat isthe positionof thewordRAINBOWin thatdictionary ?

Divide 37 into two parts so that 5 times one part and 11 times the other are together 227. The parts are

Find the sum of n terms of the series 135 + 357 + 579 + …. is :