Visit PYQ

Choose the pair of numbers which is different from others.

How many numbers from 1 to 100 are there each of which is not only exactly divisible by 4 but also has 4 as a digit?

A, B and C can do a work in 20, 30 and 60 days respectively. In how many days can A complete the work, if he is assisted by B and C on every third day?

The sum of deviations of a set of observation, x₁, x₂,........., xₙ measured from 50 is -10 and the sum of deviations from 46 is 70, then the number of observation is

When a polynomial p(x) is divided by (x-1) and (x-2) it leaves remainders 5 and 7 respectively. What is the remainder when p(x) is divided by (x-1)(x-2)?

What will be the minimum value of x for which number {3(x+63)+640} is completely divisible by 17?

If a + b + c = 3, the value of (1 − a)³ + (1 − b)³ + (1 − c)³ − 3(1 − a)(1 − b)(1 − c) is

If ABC is an isosceles triangle with AB = AC. E and F are points on BC and AC respectively such that AE = AF. If ∠BAE = 40°, then ∠FEC is equal to [Diagram: isosceles triangle ABC with apex A; E on BC, F on AC; AE = AF marked; ∠BAE = 40°]

At what rate of compound interest per annum will a sum of Rs. 1,200 becomes Rs. 1,348.32 in 2 years?

The median of the following distribution is 28.5, the values of x and y are respectively [Table — Class Interval | Frequency: 0-10 | 5; 10-20 | x; 20-30 | 20; 30-40 | 15; 40-50 | y; 50-60 | 5] where the total frequency is 60

Sonia sold an article at a gain of 16% If she had bought at 4% less and sold it for Rs 8 more, she would have gained 25%. The cost price of the article was

ABC is triangle in which AB = 3 cm, BC = 4 cm and ∠B = 90°. The circle with diameter AB intersects AC at D and tangent to the circle at D intersects BC at E. Then EC is equal to [Diagram: right triangle ABC with ∠B = 90°, AB = 3 cm vertical, BC = 4 cm horizontal; circle with diameter AB; D is the circle's intersection with hypotenuse AC; tangent at D meets BC at E]

If the ratio of the outer and inner perimeters of a circular path is 23:22 and the path is 5 m wide, then the diameter of the inner circle will be

In an examination, the distribution of marks obtained by 30 students is given in the following table. [Table — Marks (Class Interval) | No. of Students: 10-25 | 2; 25-40 | 3; 40-55 | 7; 55-70 | 6; 70-85 | 6; 85-100 | 6] The mode of the data is

The following table shows the distribution of weekly salary (in Rs) of 1000 workers. [Table — Weekly Salary | No. of Workers: Less than 50 | 40; 51-75 | 120; 76-100 | 200; 101-125 | 300; 126-150 | 150; 151-175 | 100; 176-200 | 55; 201 and above | 35] The percentage of workers with weekly salary less than and upto Rs. 125 is

If x, y, z are positive integers such that x:y = 1 : 2 and y :z = 3:5, then which one of the following will be possible value of 5x − 3y + z?

A Plane left 30 minutes later than the scheduled time and in order to reach its destination 1500 km away in time it has to increases its speed by 250 km/h from its usual speed. The usual speed is

Which one of the following is NOT a number of the series? 1, 8, 27, 64, 125,...........

सारणी-1 से सारणी-2 का सही मिलान कीजिए तथा कूट से सही विकल्प का चयन कीजिए। [सारणी-1 | सारणी-2: (A) अल्पविराम | 1. –; (B) कोष्ठक | 2. °; (C) संक्षेपसूचक | 3. ,; (D) योजक | 4. ()] कूट (A B C D): (a) 2 1 3 4; (b) 3 2 4 1; (c) 1 3 2 4; (d) 3 4 2 1

'उत्कर्ष' का विलोम है