Q15. 1 + 2 ÷ {1 + 2 ÷ (1 + 1/3]} = ?
Ans. 1सही4/5
Q16. 9 – [3 \frac{3}{11} ] का [1 \frac{2}{9} ] ÷ 7/9 का [5 \frac{1}{7} ] = ?
Ans. 8
Q17. {[(1/2) ÷ (1/2) का (1/2)] / [(1/2) का (1/2) + (1/2)]} ÷ {[1सही1/2] / [1सही1/3]} = ?
Ans. 2सही10/27
Q18. [54 ÷ 3 × 16 ÷ 2] / [180 ÷ 5 × 6 ÷ 3] = ?
Ans. 2
Q19. किसी संख्या के 3/4 तथा 4/7 का अंतर् 100 है वह संख्या क्या होगी ?
Ans. 560
Q20. [2 \frac{1}{2} ] का (3/4) × (1/2) ÷ (3/2) + (1/2) ÷ (3/2)[(2/3) - (1/2) का (2/3)] = ?
Ans. 1सही5/8
Q21. (5/6) ÷ (6/7) × ? - 8/9 ÷ [1 \frac{3}{5} ] + (3/4) × [3 \frac{1}{3} ] = [2 \frac{7}{9} ]
Ans. 6/7
Q22. {[999 \frac{999}{1000} ] × 7} = ?
Ans. 6999 \frac{993}{1000}
Q23. {[999 \frac{98}{99} ] × 99} = ?
Ans. 98999
Q24. {[999 \frac{1}{7} ] + [999 \frac{2}{7} ] + [999 \frac{3}{7} ] + [999 \frac{4}{7} ] + [999 \frac{5}{7} ] + [999 \frac{6}{7} ]} = ?
Ans. 5997
Q25. [2 - (1/3)][2 - (3/5)][2 - (5/7)][2 - (7/9)] ............. [2 - (997/999)] = ?
Ans. 333सही2/3
Q26. {[1 + 1/(10 + 1/10)] × [1 + 1/(10 + 1/10)] - [1 - 1/(10 + 1/10)] × [1 - 1/(10 + 1/10)] ÷ [1 + 1/(10 + 1/10)] + [1 - 1/(10 + 1/10)]} = ?
Ans. 20/101
Q27. [1 + 1/(x + 1)] [1 + 1/(x + 2)] [1 + 1/(x + 3)] [1 + 1/(x + 4)] = ?
Ans. (x + 5) / (x + 1)
Q28. (1/2) + (1/6) + (1/12) + (1/20) + ........... + (1/n(n+1)) = ?
Ans. n / (n + 1)
Q29. \frac{3}{4} + \frac{5}{36} + \frac{7}{144} + ................ + \frac{17}{5184} + \frac{19}{8100} = ?
Ans. 0.99
Q30. (147×147+147×143+143×143) / (147×147×147-143×143×143) = ?
Ans. \frac{1}{4}
Q31. [(967+289)2 + (967-289)2] / [967×967+289×289] = ?
Ans. 2
Q32. यदि x- \frac{1}{x} = 2 हो, तो (x2 + 1/x2 ) का मान क्या होगा ?
Ans. 6
Q33. यदि x+ \frac{1}{x} = 5 हो, तो (x3 + 1/x3 ) का मान क्या होगा ?
Ans. 110
Q34. यदि x- \frac{1}{x} = 2 हो, तो (x4 + 1/x4) का मान क्या होगा ?
Ans. 34
Q35. यदि x+ \frac{1}{x} = √13 हो, तो (x3 - 1/x3) = ?
Ans. 36
Q36. यदि (4b2 + 1/b2) = 2 हो, तो (8b3 + 1/b3) = ?
Ans. 0
Q37. यदि a/3 = b/4 = c/7 हो, तो (a + b + c) / c = ?
Ans. 2
Q38. यदि x/y = 1/3 हो, तो (x2 + y2) / (x2 - y2) = ?
Ans. -5/4
Q39. यदि 4x + 5y = 83 हो तथा 3x/2y = 21/22 हो, तो y - x = ?
Ans. 4
Q40. यदि (x2 + y2 + z2 - 64) / (xy - yz -zx) = -2 हो तथा x + y = 3z हो, तो z = ?
Ans. 4
Q41. [1/(1×4) + 1/(4×7) + 1/(7×10) + 1/(10×13) + 1/(13×16)] = ?
Ans. 5/16
Q42. यदि x = (√2 + 1)-1/3 हो, तो (x3 - 1/x3) का मान क्या होगा ?
Ans. -2
Q43. यदि a/b = 4/5 तथा b/c = 15/16 हो, तो (c2 - a2) / (c2 + a2) = ?
Ans. 7/25