Question
P gave 70% of the amount he had to Q. Q gave
2/5th of that amount to R. After paying Rs.260 to the shopkeeper out of the amount he gets from Q, R is now left with Rs.1560. How much amount did P have?Solution
Let total amount P have Rs. x R have = Rs.1560 Now according to the question, => [x × (70/100) × (2/5)] – 260 = 1560 => x × (70/100) × (2/5) = 1820 => x = 6500 Therefore, P have Rs.6500.
{(5/8) + (4/5)} × (?/19) = 33
`(sqrt(1296)xx42)/(120+200)` = ?
I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0
What will come in place of (?) in the given expression.
(18 + 24 ÷ 6) × 2 - 5 = ?What will come in the place of question mark (?) in the given expression?
(√2704 x 55)/(245 + 120) =?
- Simplify:

√4761 ÷ 23 + √12769 = ? × 58
5121.3 × 641.8 ÷ 80.5 = 8?
? = 80% of 30% of (50 × 150) + 400