Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

The sum of the digits of a two digit number is 7. If the digits are reversed, the new number decreased by 2, equals twice the original number. Find the number.

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25
28
43
32

Answer :A
2.

a. Divide ₹32,000 into two parts such that if one part is lent at 6% p.a. for 3 years and the other at 10% p.a. for 3 years, the total sum as interest is ₹6840. b. Divide ₹84,000 into two parts such that if one part is lent at 5% p.a. for 4 years and the other at 8% p.a. for 5 years, the total sum as interest is ₹18,960.

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ANSWER :a. ₹ 23,000 , ₹ 9000 B. ₹ 66,000 ,₹18,000
3.

State the correspondence between the vertices, sides and angles of the following pairs of congruent triangles.Q (i) /_\ ABC = /_\ EFD(ii) /_\ CAB = /_\ QRP(iii) (i) /_\ XYZ = /_\ QPR(iv)(i) /_\ MPN = /_\ SQR

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Answer :(i) `A hArr E, B hArr C hArr D`;AB = EF, BC = FD, AC = ED; `/_A = /_E`, `/_B = /_F` and `/_C = /_D`
(ii)`C hArr Q, A hArr R,B hArr P`;CA = QR, AB = RP, BC = PQ: `/_C = /_Q`, `/_A = /_R` and `/_B = /_P`
(iii)`X harr Q,Z harr P,Y harr R`; XZ = QP, ZY = PR, XY = QR: `/_X = /_Q`, `/_Z = /_P` and `/_Y = /_R`
(IV)`M hArr S, P hArr Q R, N hArr R`; MP = SQ,PN = QR, MN = SR; `/_M = /_S`, `/_P = /_Q` and `/_N = /_R`
4.

Write the value of : 0.136 to the nearest hundredths

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ANSWER :0.14
5.

Convert each of the following fractions into a decimal : 243/100

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ANSWER :2.43
6.

Write the numbers for the standard forms. a. 1.002xx10^(8) b. 8.5214xx10^(7)

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ANSWER :a. `100200000`
B. `85214000`
7.

here are 10 cards in a bag bearing numbers from 1 to 10. A card is drawn from the bag 60 times. Each time, the number obtained is noted and the card drawn is replaced. It was found that the card bearing number 7 was drawn 4 times. Now, if a card is drawn at random, find the probability of getting the card bearing number 7.

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ANSWER :`1/15`
8.

Fill in the boxe using the symbols gt ,= or lt. 369.199 square 369.2

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ANSWER :`LT`
9.

Express the following as product of powers of their prime factors. a. 432 b. 10125

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Answer :a. `2^(4)xx3^(3)`
B. `5^(3)xx3^(4)`
10.

Seven eighths of a number is greater than half the number by 9. Find the number.

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ANSWER :24
11.

Evaluate: 24.55 div 20

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ANSWER :`1.2275`
12.

In a certain party, there is a bowl of soup for every two guests, a bowl of rice for every three guests, and a bowl of dessert for every four guests. If in all there were 65 bowls of food, how many guests were there in the party?

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ANSWER :60 GUESTS
13.

Evaluate: 10.546xx 16

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ANSWER :`168.736`
14.

Express as like fractions: (5)/(18), (7)/(12), (5)/(6)

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ANSWER :`10/36, 21/36, 30/26`
15.

In the given figure, AOB is a straight line, /_AOC - 56^(@) and /_BOC = x^(@). The value of x is

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34
44
144
124

Answer :d
16.

Solve the following equations and verify the results. 2/3(t-5)-1/4(t-2)=1

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ANSWER :`t=(46)/5`
17.

State true or false. If the statements are correct, then state the property used. 3215 times 311=311 times 3215

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False
True; DISTRIBUTIVE PROPERTY of MULTIPLICATION over addition
True; ASSOCIATIVE property of multiplication
True; COMMUTATIVE property of multiplication

Answer :D
18.

Convert each of the following fractions into a decimal : 217/100

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ANSWER :2.17.
19.

The mean of three numbers is 50. If two of them are 30 and 50, what is the third number?

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`65`
`70`
`72`
`79`

ANSWER :B
20.

Add x^2yz,2yzx^2 and -4zx^2y

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ANSWER :`-x^2yz`
21.

Find the product 7(1)/(4)xx7/58xx1(11)/(21)

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ANSWER :`1 (1)/(3)`
22.

Add x^2+y^2+3xy-6 and 2x^2-4y^2-xy+5

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ANSWER :`3x^2-3y^2xy-1`
23.

Solve the following equations and verify the results. 0.6x+(2x)/3=12x+1.5

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ANSWER :`X = (45)/2`
24.

Evaluate: 3.8 xx 4

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ANSWER :`15.2`
25.

Divide 35 sweets Sudha and Tanvy in the ratio (1)/(2) : (1)/(3)

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Answer :SUDHA gets 21 SWEETS and Tanvy gets 14 sweets.
26.

Find: a. (10)/(21) xx (7)/(15)

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`(5)/(9)`
`(4)/(9)`
`(2)/(9)`
`(1)/(9)`

ANSWER :C
27.

A rectangular plot of land measures 95 m by 72 m. Inside the plot, a path of uniform width of 3.5 m is to be constructed all around. The rest of the plot is to be laid with grass. Find the total expenses involved in constructing the path at Rs.80 per m and laying the grass at Rs.40 per m^(2).

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ANSWER :Rs.318400
28.

Ifa : b = 5 : 6 and b : c = 2 . 8 : 3.5 , find a : c

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ANSWER :`2 : 3`
29.

If the sides of triangle are produced in order prove thatsum of the exterior angles so formrd 360^(@)

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ANSWER :`360^(@)`
30.

Solve: ((3y-4))/2=((5-2y))/4

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ANSWER :`y = 13/8`
31.

Divide : 142.8 div 21

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ANSWER :6.8
32.

Simplify and write in exponential form : (16xx25xx5^(2)xxt^(8))/(10^(3)xxt^(4))

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ANSWER :`10T^(4)`
33.

Identify monomials, binomials and trinomials from the following algebraic expressions: 7b^(2) xx a^(3)b

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SOLUTION :N/A
34.

Find: a. 30 div (45)/(11)

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ANSWER :`7 (1)/(3)`
35.

Simplify the following 5y-[2y-5(2-y)]

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ANSWER :`-2x+10`
36.

Find the area of the parallelogram having : base = 75 cm, height = 1.4 m

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ANSWER :`1.05m^(2)`
37.

Express each of the following as a recurring decimal : 1/37

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ANSWER :`0.bar(027)`
38.

Solve the following equations by trial - and - error method . 7 - 3a = 1

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ANSWER :2
39.

Solve: (2x+1)/(7x-2)=(3)/(5).

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ANSWER :`x=1`
40.

Multiply: a. 4 xx (11)/(36)

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ANSWER :`1 (2)/(9)`
41.

Find the time in which : a. ₹2700 will yield an interest of ₹324 at 4% p.a. b. ₹4200 will yield an interest of ₹1000 at 6% p.a.

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ANSWER :a. 3 YEARS B. 6 years
42.

Evaluate: 175 .44 div 12

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ANSWER :`14.62.`
43.

Two pipes A and B can fill a tank in 5 h and 8h, respectively. Both the pipes are opened simultaneously and pipe B is closed after 1 h. Find the time taken by A to fill the remaining part of the tank.

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ANSWER :`3(3)/(8)H`
44.

On selling a bed for Rs. 10800, a carpenter loses 10%. For what amount should he sell it to gain 5%?

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SOLUTION :N/A
45.

Deepak took a wire of length 176 cm and bent it into the shape of a circle. Find the radius of that circle. Also, tind its area. IF the sam wire is bent into the shape of a rectangle of length7 cm, what will be the breadth of the rectangle ? Whichencloses more area, the circle or the rectangle ?

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ANSWER :`28 cm, 2464 sq. cm, 81 cm, ` circle
46.

If 36, x, 16 are incontinued proportion, find the value of x.

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ANSWER :`X = 24`
47.

Evaluate: h. (5)/(16) xx 1 (13)/( 35) xx 1(1)/(15)

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ANSWER :`(16)/(35)`
48.

Multiply : 10. 1001xx 10. 01

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ANSWER :`101.102001`
49.

Find the base of the triangle whose : area =4.2m^(2), height = 2.4 m.

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ANSWER :3.5 m
50.

Reena weighed 63 kg. She reduced her weight in the ratio 9 : 8 . Find her new weight .

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ANSWER :56 KG