SBI PO Superb 30 Quizzes: Day 14 - Arithmetic for PO, Clerk, SO, Insurance Exams

Question 1

The ratio between the ages of a father and a son at present is 5 : 2, respectively. Four years hence, the ratio between the ages of the son and his mother will be 1 : 2, respectively. What is the ratio between the present ages of the father and the mother respectively?

Question 2

In a container containing a mixture of 60 litres, the ratio of water to spirit is 4: 1. How much spirit should be added to make the ratio 3: 2?

Question 3

Two persons 'A' & 'B' invest Rs. 16000 and Rs. 14000 respectively for a period of 2.5 year then find the A’s profit, if the total profit earned by them is Rs. 6000?

Question 4

There are 200 marbles in an aquarium out of which 99% are red and remaining are blue. How many red marbles must be taken out from the aquarium so that red marbles out of the remaining marbles become 98%?

Question 5

A person saves 10% of his income and after 1 years his income raises by 20% but his saving remains the same than the increase in the expenditure is?

Question 6

The average of all the two-digit numbers, which remain the same when the digits interchange their positions, is?

Question 7

The difference between the compound interest and the simple interest on a certain sum of money after 2 years at the rate of 9% per annum is Rs. 74.925. Find the sum of money (in Rs.).

Question 8

Arpit started a business by investing Rs. X. After 4 months, his friend Raman invests Rs. 6000 more than the what Arpit has invested. At the end of the year, the profit ratio of arpit to raman was 7:6. What was the value X?

Question 9

A is 3 years older than B and C is 3 years younger than B. The ratio of ages between A and B six years ago was 4 : 3 then find the age of C six years hence?

Question 10

The time taken by a boat to travel ‘y’ km upstream is twice the time taken by the same boat to travel ‘y’ km downstream. If speed of boat in still water is 15km/h, what is the speed of current (in km/h)?

Question 11

When a student weighing 45 kg left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?

Question 12

A man moves upstream in 6 hours in a boat at a speed of 20km/h. Then he rows down in 3 hours. What is the rate of flow of the stream?

Question 13

40 Men could have finished the whole project in 28 days but due to the inclusion of a few more men, work got done in 3/4^th of the time. Find the ratio of new men to number of old men.

Question 14

A is 5 years elder to B. After 2 years, the ratio of the ages of A and B will be 4:3. If C is 6 years elder to B then what will be the age of C after 6 years?

Question 15

P Q and R start business in partnership with amounts in the ratio of 2 : 3 : 5. After 6 months Q increases his shares by 40%. If the total profit at the end of the year is Rs. 14840, then what is the share of R in the profit?

Question 16

Direction: 12 men and 8 women working 6 hours a day can complete a work in 6 days. Also 6 men 8 women working 8 hours a day can complete the same work in 6 days. Similarly 8 boys working 6 hours a day can complete the same work in 72 days.

If 10 men, 6 women and 10 boys worked together daily for 6 hours, then in how many approx. days they have completed the work?

Question 17

Rita purchased an item for ₹ 6,500 and sold it at a loss of 20%. From that amount she purchased another item and sold it at a profit of 25%. What is her overall gain/loss?

Question 18

A, B and C can do a piece of work in 16, 20 and 24 days respectively. They started the work together but after ‘x – 8’ days, A left the job. ‘x’ days before completion of the work B also left. If the whole work is completed in ‘x+5’ days, then find the value of ‘x’.

Question 19

The average marks of three students A, B and C is 85. Another student D enters the group of these three, then the average of the marks become 80. Now, a student E, whose marks are 4 more than D, replaces B and the average of A, C, D and E becomes 78. What is the marks of B?

Question 20

Amanda, Ben and Carol sign a contract to finish certain piece of work for Rs. 12000. Amanda and Ben finish

part of total work while Ben and Carol finish

part of total work. Find the sum of the wages of least paid worker and most paid worker.