Attempt now to get your rank among 3 students!

Question 1:

What value should come in place of question mark (?) in the following question?

$\sqrt{?}=(153 \times 46) \div 18$

Question 2:

30 workers can do a work in 15 days working 8 hours a day. How much less days 15 workers will take each of double efficiency as previous working 10 hours in a day?

Question 3:

The perimeters of two similar triangles $\Delta \mathrm{ABC}$ and $\Delta \mathrm{PQR}$ are $36 \mathrm{~cm}$ and $24 \mathrm{~cm}$ respectively. If $\mathrm{PQ}=10 \mathrm{~cm}$, then $\mathrm{AB}$ is:

Question 4:

What will be the duplication ration of 2:7 ?

Question 5:

An amount invested at simple interest give Rs. 6000 interest at rate of $20 \%$ in 2 years . What is amount after 2 years on 20% compound interest (in Rs.):

Question 6:

A dealer sells a product at Rs.3975. If he sells the product at a discount of 25% still he gets the profit of 25%. What is the cost price of that product?

Question 7:

What is length of the longest rod that can be placed in a room which is $12 \mathrm{~m}$ long $16 \mathrm{m}$ broad and $20 \mathrm{~m}$ high?

Question 8:

Directions : The marks obtained by 275 Students are shown by the frequency polygon. Given that mean marks is 70 . Study the frequency polygon and answer the given questions.

Number of the students who get above $60 \%$ marks is-

Question 9:

Two pipes A and B can fill a cistern in 18 minutes and 24 minutes respectively. If both the pipes are opened together then after how much time should B be closed so that the tank is full in 12 minutes.

Question 10:

A car covers a distance of $44 \mathrm{~km}$ in $2 \frac{3}{4}$ litres of petrol. How much distance can a car cover in 1 litre of petrol?