Day 168: CDS Maths
5 questions. Try each one first, then open its answer.
Question 1
Heights and Distances. Asked once: CDS 1 2020 (same type asked 4 times) See all 4 of this type
57The angles of elevation of the top of a tower from two points at distances and from the base and on the same straight line are and respectively. What is the height of the tower?Tap an option to check your answer.
Question 2
Number System. Asked once: CDS 2 2019 (same type asked 4 times) See all 4 of this type
3How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd ?Tap an option to check your answer.
Question 3
Ratio, Proportion and Variation. Asked once: CDS 2 2020 (same type asked 4 times) See all 4 of this type
42When a ball is allowed to fall, the time it takes to fall any distance varies as the square root of the distance and it takes 4 seconds to fall 78.40 m. How long would it take to fall 122.50 m ?Tap an option to check your answer.
Question 4
Ratio, Proportion and Variation. Asked once: CDS 1 2019 (same type asked 4 times) See all 4 of this type
22The monthly incomes of and are in the ratio 4 : 3. Each saves Rs. 600. If their expenditures are in the ratio 3 : 2, then what is the monthly income of ?Tap an option to check your answer.
Question 5
Mensuration 2D. Asked once: CDS 2 2018 (same type asked 4 times) See all 4 of this type
76There is a path of width 5 m around a circular plot of land whose area is m. The total area of the circular plot including the path surrounding it isTap an option to check your answer.