Question 1

If 𝑥 + 𝑦 = 3, 𝑥𝑦 = 2, then 𝑥 3 − 𝑦 3=?

Accepted Answer

The Correct Answer is 7

Question 2

Which smallest number should be subtracted from 1936 so that on being divided by 9, 10, 15, every time the remainder is 7?

Accepted Answer

The Correct Answer is 39

Question 3

789.345 + 30.075 – 765.21 – 7.86 = ?

Accepted Answer

The Correct Answer is 46.35

Question 4

998 x 981 = ?

Accepted Answer

The Correct Answer is 979038

Question 5

√732108 = ?

Accepted Answer

The Correct Answer is 855.633

Question 6

Which is the smallest 5-digit number which can be completely divided by 98?

Accepted Answer

The Correct Answer is 10,057

Question 7

If 8 men can sow 80 hectares in 24 days, then how many hectares can 36 men sow in 30 days?

Accepted Answer

The Correct Answer is 450

Question 8

The LCM of two numbers is 2310 and HCF is 30. If one of the numbers is 210, then what is the other number?

Accepted Answer

The Correct Answer is 330

Question 9

In a 30 litre mixture of milk and water, the ratio of milk and water is 7:3. How much water should be added in the mixture so that the ratio of milk and water becomes 3:7?

Accepted Answer

The Correct Answer is 40

Question 10

A and B can together do a work in 6 days. A can do it alone in 9 days. In how many days can B do it alone?

Accepted Answer

The Correct Answer is 18 days

Subject Category > Physics

Q. The colour of rainbow divides into seven colours due to

A) Reflection

B) Diffraction

C) Refraction

D) Dispersion

✔ Dispersion

Additional Information > Exam point of View

Asked Question

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