 ## From a 4 × 4 square grid, 2 squares are selected at random. What is the probability that both the s….

From a 4 × 4 square grid, 2 squares are selected at random. What is the probability that both the squares have the same dimensions?

## If the angles A, B and C of a triangle are in the ratio 2 : 3 : 7, then the sides a, b and c wi….

If the angles A, B and C of a triangle are in the ratio 2 : 3 : 7, then the sides a, b and c will be in the ratio

## Two metals X and Y are to be used for making two different alloys. If the ratio by weight of X : Y i….

Two metals X and Y are to be used for making two different alloys. If the ratio by weight of X : Y in the first alloy is 6 : 5 and that in the second alloy is 7 : 13, then how many kg of metal X must...

## A parallelogram PTRU is drawn within another parallelogram PQRS such that TR bisects&nbs….

A parallelogram PTRU is drawn within another parallelogram PQRS such that TR bisects SRQ and RTQ = 50o.  What is the measure of p?

## Find the sum that earns an interest of Rs. 2128 in 2 years 4 months at 4% p.a. ….

Find the sum that earns an interest of Rs. 2128 in 2 years 4 months at 4% p.a.

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## The ratios of cost prices and selling prices of products of two shopkeepers A and B are given by (CP….

The ratios of cost prices and selling prices of products of two shopkeepers A and B are given by (CP)A : (CP)B = 4 : 7, (SP)A : (SP)B = 7 : 10. Who is earning more profit and by how much?

## In the given figure, a table fan with three wings in the shape of semicircles moving in a circle of ….

In the given figure, a table fan with three wings in the shape of semicircles moving in a circle of 4.5 cm radius is shown. Find the area of the remaining part of this circle which is not covered by the wings.

## There are 4 numbers. The HCF of each pair is 3 and the LCM of all the 4 numbers is 126. What is the ….

There are 4 numbers. The HCF of each pair is 3 and the LCM of all the 4 numbers is 126. What is the product of these 4 numbers?

## When 10a2 + ka – 10 is divided by (2a – 3), it gives the remainder 2. Find the value of k…..

When 10a2 + ka – 10 is divided by (2a – 3), it gives the remainder 2. Find the value of k.

## A bullock-cart overtakes two persons walking in the same direction, in a village, at the rates of 3 ….

A bullock-cart overtakes two persons walking in the same direction, in a village, at the rates of 3 kmph and 5 kmph, and passes them completely in 12 and 18 seconds, respectively. Calculate the length of the bullock-cart (in metres).

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