Numerical Mixed Set for SBI Clerk - Part 1

Numerical Mixed Set for SBI Clerk

Question 1.

Rs 69 were divided among 115 students so that each girl gets 50 paise than a boy. Thus, each boy gets twice the paise than girl received. Find the number of girls in the class.

1) 87
2) 99
3) 97
4) 102
5) 92

Question 2.

In a class, if the avg. a score of 42 boys in a school is 137 and the avg. the score of 98 girls is of 124 of the same class. Find the combined avg. of class.
1) 119.5
2) 127.9
3) 132
4) 143
5) 137.6

Question 3.

In a two-digit number, the digit in unit place is 3 more than the digit in 10th place. If the ratio between the sum of digits and the difference of digits of that number is 5:1. Find the two digit number.
1) 47
2) 36
3) 25
4) 69
5) 58

Question 4.

The work done by men, woman and child is in the ratio of 3:21. There are 20 men, 30 women and 36 children in a factory. Their hourly wages amount to Rs 780, which is divided among them in the ratio of work done by men, women and children. What will be the wages of 15 men, 21 women and 30 children for 3 hours?
1) 1170
2) 1755
3) 1430
4) 960
5) 1532

Question 5.

A B and c started a new business by investing the capital in ratio 5:6:8. At the end of the business, they will receive the profit in the ratio of 5:3:12. Find the ratio of time which they contribute their capital.
1) 6:2:1
2) 7:5:3
3) 6:8:3
4) 2:1:3
5) 5:9:1

Question 6.

The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate of interest per annum. Find the rate of interest?
1) 4%
2) 4 ½%
3) 6 2/3%
4) 7%
5) 1 2/3%

Question 7.

A man purchased some paintings for Rs 19972. He sells 3/8 of them at 5% loss. At what profit % dis he sell the remaining, so that he ears 9% overall profit.
1) 17.4%
2) 12%
3) 14.3%
4) 18.8%
5) 21%

Question 8.

Speed of a swimmer when moving in the direction perpendicular to the direction of the current is 16 km/h, speed of the current is 3 km/h. So the speed of the swimmer against the current will be (in km/h):
(a) 22
(b) 10
(c) 9.5
(d) 13
(e) 18

Question 9.

645 * √ 256* 85.74 = 63* 8x
1) 2
2) 4
3) 3
4) 5
5) 1

Question 10.

110, ?, 42, 20, 6
1) 72
2) 85
3) 69
4) 78
5) 92

Solution


Ans. 1 (5)

Boy = 2X = 100 paise
Girl = X = 50 paise
Difference = 2X – X = X
X = 50 paise
Convert Rs in to paise = 69 * 100 paise = 6900 paise
Solve it by mixture and allegation method

Ans. 2 (2)

Solve it easily by mixture and allegation method or by average method

Ans. 3 (4)


Ans. 4 (2)

No of men = (20 men × ratio 3) =60X
No of women = (30 women × ratio 2) = 60X
No of children = (36 children × ratio1) = 36X
Per head 1 hour =60X + 60X + 36X = 780
156X = 780
X = 5 Rs
Total amount = 3 hour (men × ratio × 1 hour rate + Women × ratio × 1 hour rate + children × ratio × 1 hour rate)
= 3 (15 × 3 × 5 + 21 × 2 ×5 + 30 × 1 × 5)
= 1755

Ans. 5 (4)


Ans. 6 (3)


Ans. 7 (1)


Ans. 8 (2)

Speed of swimmer = 16 – 3 = 13 km/h.
Speed of swimmer against the current
= 13 – 3 = 10 km/h.

Ans. 9 

Answer= 2

Ans. 10 (1)

n2 – n
9 × - 9 = 72


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