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If the numerator of a fraction is increased by 25% and the denominator is doubled, the fraction thus obtained is equal to 5/17. What is the original fraction?

The area of an equilateral triangle is 25\(\sqrt{3}\) cm²,then the ratio of inradius and circumradius is -

What is the length of longest rod that can be kept in a rectangular box of dimensions 12 cm × 6 cm × 4 cm? is

If an article is sold at 9/10^th of its usual selling price, 20% profit would be made on it. Find the profit percentage which would have been made on it on selling it at its usual selling price.

The side of a square is 48 cm. The length and breadth of a rectangle are \(1 \frac{1}{2} \) and \( \frac{2}{3}\) times of the side of the square respectively. The difference in their perimeters (in cm) is

Rajesh on tour travels first 160km at 64 km/hr and the next 160km at 80km/hr. The average speed for the first 320 km of the tour is:

From the pie chart, If the budget of the family is Rs 10800, what is the saving ? 

Two numbers are in the ratio 4 : 7. If their HCF is 26, then the sum of these two numbers will be:

Eight cubes of side 2 cm each are joined to form a new cube, then the length of the so formed new cube is-

The ratio of monthly incomes of A and B is 6 ∶ 7, and the ratio of their expenditure is 4 ∶ 5. If A and B save Rs. 8000 and Rs. 8500 per month respectively, then what is the ratio of B's income to A's expenditure?