RRB JE 2019:Maths Revision Quiz-1 for ESE & GATE ME Exams

Question 1

Mother can bake 20 cakes in 4 hours, Mother and Dadima together can bake 60 cakes in 10 hours. How many cakes Dadima can bake in 30 hours?

Question 2

The difference between two numbers is 1/5^th of their sum. What is their HCF?

Question 3

A boat takes 24 hours travelling downstream to cover 168 km from point A to point B and coming back to point C which is somewhere between A and B. If the speed of the boat in still water is 5 km/hr. Find the distance between B and C.

Question 4

If a vendor sells a coconut at Rs 24 he makes 20% loss. If he sells at Rs36 then what is his profit percentage?

Question 5

If x−y = −6 and x + y = 16, then x² − y² is?

Question 6

The difference between the compound interest for the first year and that for the second year on a certain sum at a certain rate of interest is Rs.360. If the rate of interest becomes 3 times, what will be the difference between the compound interest for the second year and that for the first year?

Question 7

Radha has to swim from point P against a current for 7 minutes. She then has to swim backwards with water current for subsequent 7 minutes and then she comes to point Q. If PQ = 200m, then calculate the speed of the water current?

Question 8

If HCF of (lx²+mx-n) and (mx²+lx-n) is (x+1), then find the value of l-m+n.

Question 9

P is 20% more efficient than Q. If Q alone can finish a work in 10 days, then in how many days P alone will finish the work?

Question 10

If

then the value of

is

Question 11

The third proportional of two numbers 7 and 21 is:

Question 12

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

Question 13

The total cost of a stove with cooker was Rs 13,125. The cooker was sold at a profit of 30% and the stove at a loss of 20%. If the sale price was the same in both the items, then the cost price of the cheaper item was

Question 14

In an examination there are two papers of maths and physics. If 60% of the pass in maths and 70% pass in physics. Find the minimum percentage of students who could have failed in both the subjects?

Question 15

The bus fare between two cities is increased in the ratio 5:7. What is the increase in the fare, if the original fare is Rs. 625?