Question
The average expenditure of a man for the first seven
month is Rs.12000 and for the next five months is Rs.9000. If he saves 15000 in that year then find his average monthly income.Solution
Total expenditure in first 7 months = 12000 × 7 = Rs.84000 Total expenditure in last 5 month = 9000 × 5 = Rs.45000 Total income of the man in a year = 84000 + 45000 + 15000 = Rs.144000 His average income in a month = 144000/12 = Rs. 12000
(22 × 52 ) + 4 × 6 = ? - √324
What should come in place of (?) question mark in the given expression.
 (25% of 320) + (3/8 of 400) − 30 = ?
(5832)1/3  × 10.11 × 11.97 ÷ 16.32 = ? + 45.022
82% of 400 + √(?) = 130% of 600 - 85% of 400
If (x + 1/x) = 5, then value of x3 + 1/x3 is:
Simplify: (1 ÷ 0.08)
What should come in place of (?) question mark in the given expression.
{ (144 ÷ 12) × 5 } − (18 ÷ 3) = ?
Simplify the following expressions and choose the correct option.
(3/4 of 256) + (2/5 of 150) - (72 ÷ 7)
464 + 181 +? = (154 × 25) - (15) 2 Â
15% of 1800 + 22 = ?Â
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