Question
A jar contains a mixture of milk and water in the ratio
4:3, respectively. If 4-litres of the mixture is taken out, then the quantity of water left in the mixture will be 39 litres. Find the original quantity of the mixture in the jar.Solution
Total quantity of mixture after removing 4-litres = 39 × (7/3) = 91 litres So, original quantity of the mixture = 91 + 4 = 95 litres
- Find the digit sum of the largest three-digit number that leaves 1 as a remainder when divided by 8, 6, and 10.
Find the sum of all the numbers between 3000 and 14000, which are divisible by 25, 30 and 40.
A school organizes a picnic for students. The cost of transportation is ₹8,000, and the food cost is ₹5,000. If there are 50 students attending the ...
X is 10 ft tall, and he notices that he casts a shadow that's 3 ft long. He then measures that the shadow cast by his school building is 30 ft long. How...
- A student mistakenly multiplied a number by 5.6 instead of 0.56. His answer exceeded the correct one by 2800. What was the original number? (Calculate appr...
Find the smallest number which when divided by 7, 9 and 12 leaves remainder 5 in each case.
If a number is increased by 30% and 12 is subtracted from it, the result is the same as 9.6 more than 30% less of the original number. What is the numbe...
Sum of squares of three consecutive numbers is 1325. Find the sum of first and third number.
A man spends 1/7 of his income on food, 3/5 of his income house rent and 1/4 of his income on clothes. If he still has Rs. 200 left with him, his income...
Manas ordered 6 Levis jeans and some additional Blackberry jeans. The price of one Levis jeans was twice that of one Blackberry jeans. When the order wa...