Question
Ganesh gives 30% of her salary to his wife, 12% of the
remaining amount to his children and 10% of the remaining to his parents. If has given a total amount of Rs. 26736 to his family members, what is his total salary?Solution
The ratio of zinc and copper in a brass pieces is 2:5. How much zinc will be there in 140 kg of such a piece?
A and B start a business together. A invests ₹20,000 for 6 months, and B invests ₹30,000 for 8 months. If the total profit is ₹6000, how much does...
The ratio of three numbers is 7:2:5, and their squared values add up to 1248. Identify the largest number among them.
A biased coin shows heads with probability 0.3. If it is tossed 5 times, what is the probability of getting no more than 2 heads?
A car starts from point A and travels at a speed of 40 miles per hour. After 1 hour, a second car starts from point A and travels in the same direction ...
Find the area enclosed between the curve y = √(25 – x²) and the x-axis in the first quadrant.
A trader buys 500 shares of a company at ₹240 each. He pays a 0.5% brokerage on the purchase. After two months, he sells all shares at ₹260 each, pa...
Ram, Rahim, and Raman started a business by investing in the ratio of 4:7:10, respectively. After one year, they each made additional investments: Ram a...
In a class, the ratio of boys to girls is 5:3. If 4 boys and 2 girls leave the class, the ratio of boys to girls becomes 3:2. How many students were the...
If 'x' is a positive integer such that x + 1/x = 2, then find the value of (x3 + x2 − 2x – 6)/(4x4 + 2x2
Relevant for Exams:
