NDA MATHS QUESTION BANK

What is the inverse of the function y =? (a) x = (b) x = (c) x = (d) x = Let R be the relation defined on the set of natural nu ...

Which of the following statements is not correct for the relation R defined by aRb if and only if b lives within one kilometer ...

If f(x + 1) = , then f(x) is equal to: (a) (b) (c) (d) If f(x) = log.^ /, then f. / is equal to: (a) f.^ / (b) f( )^ (c) 1 (d) ...

SEQUENCES AND SERIES If are in A.P, then a+b, b+c, c+a are in (a) AP (b) GP (c) HP (d) None If ratio of sum of ‘n’ terms of two ...

If 10th term of GP is 9 and 4th term is 4, find 7th term. (a) 6 (b) 14 (c)^ (d)^ Find for following series +................ ...

Which term of sequence 20, 19 , 18^ , 17^ ....... Is the first negative term? (a) 27th (b) 28th (c) 29th (d) No such term exis ...

The sum of all odd numbers between 1 to 1000 which are divisible by 3. (a) 83667 (b) 56128 (c) 90000 (d) None If x= 1+a+ + +... ...

If A, B, C are non-empty sets such that A C= Ø, then what is (A×B) (C×B) (a) A×C (b) A×B (c) B×C (d) Ø If A=P{1, 2}, where ‘ ...

Consider the following statements: (I) (AnB)’= A’nB (II) (AUB)’= A’UB’ (III) (A-B)’= A’-B’ of these statements: (a) Only I is ...

English. The number of students learning English and French but not Hindi is thrice the number of students learning Hindi and Fr ...

Let U= {x :1 } be the universal set, ‘N’ is set of natural numbers. If A= {1, 2, 3, 4}, B= {2, 3, 6, 10} Find complement of (A ...

STATISTICS Let the observation at hand be arranged in increasing order. Which one of the following measures will not be affecte ...

What is the median of the above frequency distribution? (a) 23 (b) 24 (c) 25 (d) 26 What is the mean of the above frequency dis ...

The mean of a set of observations is ̅. If each observation is divided by, α≠0, and then is increased by 10, then the mean of t ...

The geometric mean of three numbers was computed as 6. It was subsequently found that in this computation, a number 8 was wrong ...

(a) Product A (b) Product B (c) Product C (d) Product D What is the weighted mean of first 10 natural numbers whose weights are ...

The arithmetic mean of three observations is x. If the values of two observations are y, z, then what is the value of the third ...

Coffee drinkers Non- coffee drinkers 40 % 20 % 5% 35% 25 % 30 % 15% 30% If the total population of the Towns A and B are 10000 a ...

intervals, what is the diagram called? (a) Ogive (b) Frequency polygon (c) Pie diagram (d) Histogram Square diagrams are drawn ...

CONIC SECTIONS The length of the common chord of the circles + 2x + 3y + 1= 0 and is: (a) 9/2 (b) 2√ (c) 3√ (d) 3/2 The equat ...