Question
A student multiplied a number by 2/7 instead of 5/7.
What is the percentage of error?Solution
The correct answer is A
Vijay has 100 notes of Rs 50 and Rs 100. If his total money is Rs 6500, find the number of Rs 100 notes.
If three numbers are in the ratio of 1:3:5 and their sum is 9000. Find the largest of the three numbers.
- If ₹29,700 is distributed among ‘E’, ‘F’, ‘G’, and ‘H’ in the ratio 9:7:6:8, then what is the share of ‘H’?
- Ratio of number of boys to girls in a school of 840 students is 5:3. Ratio of number of boys who passed to those who failed in an exam is 11:4 whereas rati...
Aman had Rs. 124 in the form of 50 paise coins, Rs. 1 coins, and Rs. 5 coins. The ratio of the number of coins of each denominati...
The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common ...
In a box, there are some coins and rings which are either silver or gold. If 40% of the objects are rings and 50% of the coins are silver, then find out...
Three numbers are in ratio 4:5:7. If the sum of the squares of those three numbers is 360 then find the sum of the three numbers.
In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?
The ratio of A's income to savings is 25:9, and B's expenditure is 60% of A's total income. If B's expenditure exceeds its savings by Rs. 3500, and A's ...
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