8677 + Interview Questions in Maths in Class 14 Page 174 InterviewSolution

8651.	A speaks truth in 60% and Bin 80% of the cases. In what percentage of cases are they likely to contradict each other narrating the same incident?
Answer» `44%` `36%` `64%` `48%` ANSWER :A

Discussion

8652.	Speed of a faster train is 100 km/hr and it takes 3 minutes rest after covering each 75 km distance while the slower train is running at the speed of 50 km/hr and it takes 1 minute rest after covering each 25 km distance. Find the distance travelled by the slower train when the faster train travel 600 km distance?
Answer» ANSWER : 307.5 KM

Discussion

8653.	A bicycle passes through the hands of three dealers each of whom loses 5%. If the third buy it for Rs 6859, what did the first pay it?
Answer» ANSWER :RS. 8000

Discussion

8654.	Find max^(m)&min^(m) value of 10cos^(2)x-6sinx.cosx+2sin^(2)x
Answer» ANSWER :1

Discussion

8655.	Walking at four fifth of his usual speed Vijay Malya reaches his office 15 minutes late on a particular day. The next day, he walked at 5/4 of his usual speed. How early would he be to the office when compared to the previous day?
Answer» 27 min 32 min 30 min none of these Answer :A

Discussion

8656.	If x + y + z= 0, then x^3 + y^3 + z^3 is equal to :
Answer» 0 3xyz `(xy+yz+zx)/XYZ` xyz(xy+yz+zx) ANSWER :B

Discussion

8657.	Find the value of tan70^(@).
Answer» `TAN50^(@)+TAN20^(@)` `tan50^(@)+2tan20^(@)` `2tan50^(@)+tan20^(@)` `2tan50^(@)+2tan20^(@)` ANSWER :C

Discussion

8658.	p% of the students of a class passed the exam. g% of the passed students are girls and b% of the fail students are boys. The percentage of passed boys over the failed girls is :
Answer» `((bg)/P XX100)` `(100(100-g)p)/((100-p)(100-b)` `((100-g)(100-b))/((100-p)) NONE of the above Answer :B

Discussion

8659.	A fruit-seller buys x guava for Rs y and sells y guavas for Rs x if x gt y , the he made
Answer» X(2)−y(2)/XY% loss Answer :`(x^(2)-y^(2))/(y^(2))XX100%` लाभ

Discussion

8660.	If f(x)=(x-1)/(x+1), then f^(-1)(x) is :
Answer» `(1+x)/(1-x)` `(x+1)/(x-1)` `(1)/(x+1)` NONE of these Answer :A

Discussion

8661.	If p be a prime number, then p^2 + 1 can not have its unit digit is :
Answer» 3 9 7 all of these Answer :D

Discussion

8662.	Salary of Raja is Rs. 9000 per month and salary of Rani is Rs. 10,000 per month. (i) what per cent is the salary of Rani to that of Raja ? (ii) What per cent is the salary of Raja to that of Rani ?
Answer» SOLUTION :`9000/10000xx100=90%`

Discussion

8663.	The radii of two circles are 5 cm and 12 cm. The area of a third circle is equal to the sum of the areas of the two circles. The radius of the third circle is :
Answer» 13 CM 21 cm 30 cm 17 cm ANSWER :A

Discussion

8664.	A child has four pockets and three marbles. In how many ways, the child can put the marbles in the pockets?
Answer» (1) 12 (2) 64 (3) 256 (4) 60 Answer :B

Discussion

8665.	The remainder when 6^(6^6^6^6^(..oo "times")) is divided by 10
Answer» 3 6 0 can't be DETERMINED ANSWER :B

Discussion

8666.	5454+54+5= ?
Answer» ANSWER :D

Discussion

8667.	Printing of a book depends on two factors fixed price and variable price which depends on number of books printing. Publisher want to earn profitof 25% and according to him 500 copies of book of Rs 2 in 3 month and 1000 copies in 9 month. If he prints 4830 copies which will sell out in 50month then what will be his profit?
Answer» A) 20 hrs B) 28 hrs C) 36 hrs C) 36 hrs Answer :RS. 161

Discussion

8668.	In a mixture of milk and water of the volume of 60l the ratio of milk to water is 7:5. How much quantity of water will be added to make mixture of equal ratio?
Answer» a. 8L b. 10L C. 15L d. 20L Answer :C

Discussion

8669.	Every man in a group of 20 men likes either mangoes or an apple. Every man who likes apples also likes mangoes, 9 men like mangoes but not applies. How many like mangoes and apples?
Answer» 21 35 80 none of these Answer :A

Discussion

8670.	Find the smallest number which when divided by3,5,7 and 4, it leaves remainder1,3,5 and 2, respectively.
Answer» 4337 3467 5443 4547 Answer :D

Discussion

8671.	If the function f:R rarrR be such that f(x)=x-[x], where [x] denotes the greatest integer less than or equal to k, then f^(-1)(x) is :
Answer» a. `[x]-x` B. `(1)/(x-[x])` c. not defined d. NONE of these Answer :C

Discussion

8672.	A trader earns a 25% profit by selling his goods at the cost price while using a faulty balance. How much per cent does his balance weigh less than what it should weigh?
Answer» 25 20 16.67 22.22 Answer :B

Discussion

8673.	In the morning batch at Lamamia we have observed that when five-five students took seat on a bench, 4 students remained unseated. But when eleven students took seat per bench, 4 benches remained vaccant. The number of students in our morning batch were?
Answer» 55 48 26 none of these Answer :D

Discussion

8674.	Mr. Stenley employed a tain number of typists for his project. 8 days later 20% of the typist left the job and it was found that it took as much time complete the rest work from then as the entire work needed to all the employed typists. The average speed of a typist is 20 pages/hour. Minimum how many typist could be employed?
Answer» 15 18 68 78 Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

A speaks truth in 60% and Bin 80% of the cases. In what percentage of cases are they likely to contradict each other narrating the same incident?

A bicycle passes through the hands of three dealers each of whom loses 5%. If the third buy it for Rs 6859, what did the first pay it?

Find max^(m)&min^(m) value of 10cos^(2)x-6sinx.cosx+2sin^(2)x

Walking at four fifth of his usual speed Vijay Malya reaches his office 15 minutes late on a particular day. The next day, he walked at 5/4 of his usual speed. How early would he be to the office when compared to the previous day?

If x + y + z= 0, then x^3 + y^3 + z^3 is equal to :

Find the value of tan70^(@).

p% of the students of a class passed the exam. g% of the passed students are girls and b% of the fail students are boys. The percentage of passed boys over the failed girls is :

A fruit-seller buys x guava for Rs y and sells y guavas for Rs x if x gt y , the he made

If f(x)=(x-1)/(x+1), then f^(-1)(x) is :

If p be a prime number, then p^2 + 1 can not have its unit digit is :

Salary of Raja is Rs. 9000 per month and salary of Rani is Rs. 10,000 per month. (i) what per cent is the salary of Rani to that of Raja ? (ii) What per cent is the salary of Raja to that of Rani ?

The radii of two circles are 5 cm and 12 cm. The area of a third circle is equal to the sum of the areas of the two circles. The radius of the third circle is :

A child has four pockets and three marbles. In how many ways, the child can put the marbles in the pockets?

The remainder when 6^(6^6^6^6^(..oo "times")) is divided by 10

5454+54+5= ?

In a mixture of milk and water of the volume of 60l the ratio of milk to water is 7:5. How much quantity of water will be added to make mixture of equal ratio?

Every man in a group of 20 men likes either mangoes or an apple. Every man who likes apples also likes mangoes, 9 men like mangoes but not applies. How many like mangoes and apples?

Find the smallest number which when divided by3,5,7 and 4, it leaves remainder1,3,5 and 2, respectively.

If the function f:R rarrR be such that f(x)=x-[x], where [x] denotes the greatest integer less than or equal to k, then f^(-1)(x) is :

A trader earns a 25% profit by selling his goods at the cost price while using a faulty balance. How much per cent does his balance weigh less than what it should weigh?

In the morning batch at Lamamia we have observed that when five-five students took seat on a bench, 4 students remained unseated. But when eleven students took seat per bench, 4 benches remained vaccant. The number of students in our morning batch were?