Question
Two numbers P and Q are in the respective ratio 7: 9 and
their sum is 80. Then, P is equal to:Solution
ATQ, Let P and Q be the two numbers, and the ratio of P to Q is given as 7:9. Their sum is given as 80. The algebraic expression for their sum would be: P + Q = 80 Since their ratio is 7:9, we can say: P = 7x Q = 9x where x is a common multiplier for P and Q. Now, we can substitute P and Q in the sum: 7x + 9x = 80 Combining like terms, we get: 16x = 80 To find the value of x: x = 80 / 16 x = 5 If x is 5, then we can find P and Q: P = 7 * 5 = 35 Q = 9 * 5 = 45 Therefore, P is equal to 35. Â
2(3/4) of 2880 + 54% of 7520 - ? = 302
Find the value of the following expression:
372 ÷ 56 × 7 – 5 + 2
- What will come in place of (?), in the given expression.
(5³ + 3²) × 2 = ? (1225/25) - (192/96) + (50/5) = ?

What will come in the place of question mark (?) in the given expression?
(555 + 385 - 535) ÷ 15 X ? = 36 X 30
- What will come in place of (?), in the given expression.
75% of 640 – 20% of 150 = ? `(21 xx 51 + 54)/(9 xx 14 - 30 )` =?
95% of 830 - ? % of 2770 = 650