In a fixed time, a boy swims thrice the distance along the current that he swims against the current. If the speed of the current is 6 km/hr, the speed of the boy in still water is
Let the rate of swimming in still water be x km/hr Rate down-stream = (x + 6) km/hr Rate up-stream = (x – 6) km/hr According to the question, (x + 6) t = 3 (x – 6) × t x + 6 = 3x – 18 x = 12 km/hr
If 20% of an electricity bill is deducted, then Rs. 100 is still to be paid. How much was the original bill?
A company allowed 9% commission on the total sales made by the salesman and a bonus of 1% on the sales over Rs. 40000. If the salesman deposited Rs. 108...
Manmeet decided to donate 20% of her salary to an NGO. On the day of donation she changed her mind and donated Rs. 13520 which was 80% of what she decid...
Heena decided to save 15% of her salary as fixed deposit. Later, she changed her mind and saved Rs 4800 which was 80% of what she had decided earlier. ...
8.5 can be expressed in terms of percentage as:
A no. is multiplied by 35 instead of being multiplied by 53. What % is the result of the required correct value?
A girl spent 32% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:3. If the difference of the income ...
Out of the total population in a village 25% casted invalid votes and the winning candidate A received 14(2/7)% more votes than the losing candidate B....
The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 5,250 on fun, amount spent by him on rent is Rs. 9,000 more than that on...
A salesman is allowed 12% commission on the total sales by him and a bonus of 1% on the sales over Rs. 10000. If the total earnings of a salesman is Rs....
