If Kashif invests thrice of Nadeem, total profit is Rs. 28000. Share of Kashif is ____. A. Rs. 16000 B. Rs. 21000 C. Rs. 24000 D. Rs. 28000 Explanation: Ratio 3:1 → Kashif gets ¾ = Rs. 21000.
Kamal completes work in 20 days. Suresh is 25% more efficient. Time taken by Suresh is ____. A. 14 B. 16 C. 15 D. 11 Explanation: Efficiency ↑25% → time = 20/1.25 = 16 days.
If Rs. 17400 amounts to Rs. 1783.50 interest in 2 years, find the rate? A. 8% B. 6% C. 4% D. 5% Explanation: Using the CI formula gives an approximation. 5%.
A lift moves 57 floors per minute. Starting from the 11th floor, how many floors can be reached in 30 seconds? A. 19 B. 28 C. 30 D. 37 Explanation: Half minute → 57/2 ≈ 28 floors + starting gives 30.
Jameel completes a task in 15 hours and Nasir in 10 houRs. Together they finish in ____. A. 12:00 pm B. 2:00 am C. 12:00 am D. 10:00 pm Explanation: Combined rate gives time ≈ 6 hours → midnight.
In what ratio should water be mixed with spirit to gain 20%? A. 2:5 B. 1:5 C. 3:5 D. 4:5 Explanation: The profit method yields a 1:5 ratio.
In two years, 100 and 75 students appeared. Pass percentages were 75% and 60%. Overall pass % is ____. A. 68 4/7 % B. 78% C. 80% D. 80 4/7% Explanation: The weighted average is 68 4/7%.
In the first 10 overs, the run rate is 3.2. Required rate for 50 overs to reach 300 runs is ____. A. 6.25 B. 6.5 C. 6.75 D. 7 Explanation: Remaining runs/time yield the required rate of 6.25.
To obtain income of Rs. 650 from 10% stock at Rs. 96, investment required is ____. A. Rs. 3100 B. Rs. 6240 C. Rs. 6500 D. Rs. 9600 Explanation: Investment = (650×100×96)/10×100 = 6240.
If the population increases by 10% and then decreases by 10%, what is the net change? A. 8500 B. 8000 C. 8100 D. 8400 Explanation: Net decrease = 1%.