Data Analysis a...

Quantity:

I. Three coins are tossed simultaneously. Find the probability that at least one head.

II. There are 2 backpacks and 3 school bags are kept in a box. Two bags are chosen randomly without replacement. Find the probability that at least one bag is a school bag.

Quantity:

I. The ratio between the price of a kurta and pant is 3 : 2. The average price of 15 kurtas and 10 pants is Rs. 390. Find the difference between the price of a kurta and a pant.

II. Rs. 150

Quantity:

I. The ratio between the number of bags and the number of shoes is 5 : 6. The price of a bag and the price of a shoe is Rs. 400 and Rs. 450. If the price of the kit containing bags and shoes is Rs. 2350, find the price of bags.

II. Rs. 1090

Quantity:

I. Ram spends 40% of salary on savings and 30% of remaining on rent and 25% of remaining on Food and 80% of remaining on shopping and remains Rs. 1122 in his hand. The amount spent on Shopping is what per cent of total salary?

II. What should come at the place of ‘?’ in the following question?

12% of 300 + 65% of 700 = 34% of 250 + ?% of 4000 + 10

Quantity:

I. A and B can complete the work in 12 days while A and C can complete the work in 10 days. A, B and C together can complete the work in $\frac{20}{3}$ days, if they took work for Rs. 8100 then find the difference between the shares of C and A.

II. The marked price of an item is Rs. 2750. The discount offered by shopkeeper on marked price is 20%. The shopkeeper earns 10% profit in his transaction. Find the difference between the cost price of an item for buyer A and shopkeeper. 

Quantity:

I. The perimeter of the square is 56 cm. The side of a square is twice the radius of a circle. The area of the circle is equal to the area of the rectangle. If the length of the rectangle is 4 more than the radius of the circle then find the perimeter of the rectangle.

II. 50 cm

Quantity:

I. If average price of 12 mangoes and 16 apples is Rs. $\frac{180}{7}$. The difference between the price of 10 mangoes and 5 apples is Rs. 50. Find the ratio between price of an apple and the price of a mango.

II. $\frac{3}{8}$

Quantity:

I. Train travels at a speed of 54 kmph crosses a platform of length 200 m in 30 seconds. The same train crosses a running man in 12.5 seconds in the opposite direction. Find the speed of running man.

II. 5 m/s

Quantity:

I. The difference between the Salaries of A and B is Rs. 5000. The expenditure of A and B is 85% and 70% of their respective salaries. Total savings of A and B is Rs. 5250. Find the average expenditure of A and B.

II. Rs. 9860

Quantity:

I. Pipe P alone can fill the tank in 10 hours while pipe Q alone can fill the tank in 15 hours. Both pipes open alternatively. In how much time tank will get completely filled?

II. 15 hours