37 questions found · showing 20
Consider the following data:
Year | Birthrate | Death rate 1911-1921 | 48.1 | 35.5 1921-1931 | 46.4 | 36.3 1931-1941 | 45.2 | 31.2 1941-1951 | 39.9 | 27.4 1951-1961 | 41.7 | 22.8 1961-1971 | 41.1 | 14.9 1971-1981 | 37.1 | 14.8
For which period was the natural growth rate maximum?
Let x, y be the volumes; m, n be the masses of two metallic cubes P and Q respectively. The volume of P is two times that of Q and the mass of P is two times that of Q. Which sum of the following is correct?
In the sum 0 + 1 + 0 + 9 + 0 + 8 + 0 + 1 = 100, for which digit does the symbol 0 stand?
What is the largest number among the following?
(a) (1/2)^(-4)
(b) (1/4)^(-3)
(c) (1/3)^(-4)
(d) (1/4)^(-2)
A person bought a car and sold it for a loss of 15%. With the money he bought another car and sold it for a profit of 5%. On the whole, what did he do?
Consider the following data:
| Average marks in English | Average marks in Hindi | |
|---|---|---|
| Girls | 8.8 | 8.8 |
| Boys | 8.6 | 7 |
| Overall average marks | 8.7 | x |
What is the value of x in the above table?
The recurring decimal representation 1.272727... is equivalent to
Let XYZ be a three-digit number, where (X + Z) = Y. Then the number XYZ is divisible by:
(X+Z = Y)
The average age of a teacher and three students is 20 years. If all three students are of the same age and the difference between the age of the teacher and each student is 20 years, then what is the age of the teacher?
If you have two straight sticks of length 7.5 feet and 3.25 feet, what is the minimum length you can measure?
A shop owner offers the following discount options on an article to a customer:
Two Statements S1 and S2 are given below:
S1: n is a prime number.
S2: n is not divisible by remainder of 1 when divided by some integer.
Among four numbers P, Q, R and S:
S1: Their product is 30.
S2: Their sum is 11.
Actual Q39 from UPSC CSAT 2020:
Among four numbers P, Q, R and S, along with four numbers: n is a prime number and n+1 is divisible by some remainder of 1. What are the two numbers?
Let n be a prime number, n+1 is divisible by 4. Which one of the following is correct?
Let ABCD = DCBA' be a four-digit number where each letter represents a different digit. If the sum of the numbers is 13, then what is the difference between the values of A and D?
What is the greatest length a such that 3(1/3) m and 3(2/5) m are integral multiples of a?
How many five-digit prime numbers can be obtained by using all the digits 1, 2, 3, 4, 5 (each digit used exactly once)?
If in a particular year 12th January is a Sunday, then which one of the following is correct?
How many acres are there at the end of the following product?
20 × 25 × 10 × 15 × 50 × 55 × 60
× 35 × 40 × 45 × 50 × 55 × 60
Let p, q, r and s be natural numbers such that p – 2016 = q + 2017 = r – 2018 = s + 2019.
Which one of the following is correct?
One page is torn from a booklet whose pages are numbered in the usual manner starting from the front page as 1. The sum of the numbers on the remaining pages is 195. The torn page contains which of the following numbers?
A person bought a car and sold it for ₹3,00,000 at a loss of 25%. At what price should he have sold it to gain 25%?
