Question
What is the difference in the incomes of Pooja and Payal
if their savings are Rs. 1000 and Rs. 500, respectively, and their income-to-expenditure ratios are 3:4 for Pooja and 2:3 for Payal?Solution
ATQ, Let, income of P and Q be Rs. 3x and Rs. 2x respectively. And, expenditure of P and Q be Rs. 4y and Rs. 3y respectively. According to question, 3x – 4y = 1000 ------(i) And, 2x – 3y = 500 --------(ii) After solving (i) and (ii), we get x = 1000 and y = 500 So, income of P = 3x = Rs. 3000 And, income of Q = 2x = Rs. 2000 Therefore, required difference = 3000 – 2000 = Rs. 1000
6106.11 ÷ √? × 55.9 = 3976.21 Â
The monthly savings of three individuals 'P', 'Q', and 'R' are such that the average savings of 'P' and 'Q', 'Q' and 'R', and 'R' and 'P' are Rs. 2,000,...
766/51 ÷ 387/42 × 121/13 = ?
Which of the following options is the closest approximate value which will come in place of question mark (?) in the following equation?
26.52 ×...
149.98% of 199.91 + 49.98% of 312.01 = (? - 26.01 + 65.99) × 5.98
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1620 and simple interest of Rs.1500 at the end of 2 year...
 (108.999)² - (102.001)²=?
?% of (112.31 ÷ 13.97 × 90.011) = 359.98
? × [(16.87) 2 – (6.98) 2 ] = 5.04× 191.11
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