Day 246: CDS Maths

5 questions. Try each one first, then open its answer.

Question 1
Ratio, Proportion and Variation. Asked once: CDS 1 2024
57 $Rs. 9400 is distributed among P, Q, R in such a way that if Rs. 93, Rs. 24, Rs. 55 are deducted from their respective shares, then they have money in the ratio 3 : 4 : 5. What is the share of P ?$
Tap an option to check your answer.
Question 2
Sequence and Series. Asked once: CDS 2 2021
45 $A person saves Rs. 1000 more than he did the previous year. If he saves Rs. 2000 in the first year, in how many years will he save Rs. 170000 ?$
Tap an option to check your answer.
Question 3
Sets. Asked once: CDS 1 2023
5 $In a party of 150 persons, 75 persons take tea, 60 persons take coffee and 50 persons take milk. 15 of them take both tea and coffee, but no one taking milk takes tea. If each person in the party takes at least one drink, then what is the number of persons taking milk only?$
Tap an option to check your answer.
Question 4
Simple and Compound Interest. Asked once: CDS 2 2021
37 $A sum of money compounded annually doubles itself in 5 years. In how many years will it become four times of itself ?$
Tap an option to check your answer.
Question 5
Statistics. Asked once: CDS 1 2020
37 $The maximum marks in a Test are converted from 250 to 50 for the purpose of an Internal Assessment. The highest marks scored were 170 and lowest marks were 70. What is the difference between the maximum and minimum marks scored in the Internal Assessment ?$
Tap an option to check your answer.

Question 1