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A person invested an amount of X at the rate of 18% simple interest per annum and an amount of Y at the rate of 12% simple interest per annum. He received an interest of ₹4,320/- at the end of the year. Had he interchanged the amounts invested, he would have received an interest of ₹4,680/-. Then |X-Y| =

The ratio of a principal and the total amount with r% simple interest rate on that principal after 1 year is a : b then value of r in terms of a, b is

A person invested ₹18,000 at the rate of 20% compound interest per annum. Then the interest he gets after completing the duration of two years is

A building of initial value Rs. 31,25,000 depreciates in its value every year at the rate of 4% on its value at the beginning of the year. If Rs. x is the value of the building at the end of 3 years and Rs. y is the value of the land which appreciates at the rate of 5% compoundingly and the value of the land initially is Rs 32,00,000 then y - x =

\(\text{If } T_n = T_{n-1} + T_{n-2} \quad \forall, n \geq 3 \text{ and } T_1 = T_2 = 1 \text{ then } T_1 + T_2 + \ldots + T_{10} =\ ? \)

Certain amount 'x' is distributed to three persons A, B, C. A gets 25% share of x. Twice the difference of B and C is equal to the share of A. Then the ratio in which A, B, C get the amounts is

The averages of 3 different data D1, D2, D3, are 30, 40, 50 respectively. If the average of D1 and D2 together is 38 and that of D2 and D3 together is 42, then the average of the three data D1, D2 and D3 together is

In a police battalion of 600 police, the average height is 150 cm. Later it is discovered that for x policemen heights are copied wrongly as 160 cm instead of 190 cm. By taking the correct heights, the average is increased to 155 cm. Then x =

The marked price of a newly arrived article shows an increase of 15% on its cost price. Later this marked price was decreased by 20% as the article is outdated. If the cost price of the article is 1,200 then the profit or loss for the shopkeeper with the current selling price is

A sum of 5,600 is distributed among 12 people consisting of men, women and children. The ratio of the total amounts given to all men, all women and all children is 9:4:1. But the ratio of the amounts received by each man, woman and child is 3:2:1. Then the amount received by each women is