Question
A shopkeeper made a profit of 40% by selling an article
for Rs. 280. If he had sold it after allowing a discount of 15% on its selling price, then find the profit that the shopkeeper would’ve made in this transaction.Solution
Cost price of the article = 280 ÷ 1.40 = Rs. 200 New selling price of the article = 280 × 0.85 = Rs. 238 New profit = 238 – 200 = Rs. 38
The sum of the first 163 terms of a GP is equal to the sum of the first 161 terms in the same GP. If the 117th term in the same GP is 985, then what wil...
If x and y are the two digits of the number 115xy such that this number is divisible by 90, then the value of x + y is:
- How many values of 'k' ('k' is a natural number) are possible if '7854k8' is always divisible by 8?
What is the difference between 3/5 of 150 and 1/2 of 300?
What should come in place of the question mark (?) in the following question?
(19)¹² × (19)⁴ = (19)ˀ
- Consider a number of the form '49678a' which is divisible by 6 but not divisible by 5. Find the value of (a × 2 + 3).
- Find the greatest common divisor (GCD) of (x 2 - 9x + 14) and (x 2 + x - 56).
A three-digit number 4c7 is added to the number 538 to give a three-digit number 9d5 which is divisible by 9. Find the value of (...
Consider three numbers whose total is 294. The first and second numbers are in a ratio of 5:7, and the second and third numbers are in a ratio of 7:9. D...
A single reservoir supplies petrol to the whole city, and the reservoir is fed by a single pipeline filling the reservoir with a stream of uniform volum...
Relevant for Exams:
