Question
Travelling at his usual speed, a man reaches his
destination in 12 hours. If he reduces his speed by (1/6), then he covers 72 km less in the same time. Find the usual speed of the man.Solution
ATQ, Let the usual speed be 6x km/h. The reduced speed = (5/6) × 6x = 5x km/h Using the formula Distance = Speed × Time, 
Usual speed = 6x = 36 km/h.
The value of 43-3× (4×6+12/3 ×6-4×5) +4?
Find the simplified value of the given expression:
(125 - 75 ÷ 3 of 5) ÷ 2 + 4 of 12 ÷ 3 - 16 of 5 ÷ 20
Find the simplified value of the given expression.
{12.75 × √64 + 13.5 × √(√256)} ÷ 6 + 49.5 ÷ 5.5Â
What will come in place of (?) in the given expression.
[(24 ÷ 3) + (18 × 2)] - 5 = ?22 + 60 × 3 ÷ 12 = ?
What will come in the place of question mark (?) in the given expression?
30% of 520 + 16% of 1500 = ? + 244
The valueof2 of5– 1/2 −[4÷2– 1/3 −{3/4−(5– 1/2 – 3/4 )}]is :
- What will come in the place of question mark (?) in the given expression?
√3600% of 150 + 3/5 of 360 - ? = 210
(165 × 12) ÷ 45 + 110 = ? × 2
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