1.
Find the value of 1/(3+1/(3+1/(3-1/3)))
Answer: Option 'C'
1/[3 + (1/(3+1/(3 - 1/3)))]
=> 1/[3 + 1/(3 + 1/(8/3))]
=> 1/[3 + 1/(3 + 3/8)]
=> 1/[3 + 8/27]
=> 1/(89/27)
=> 27/89
2.
Find the value of
Answer: Option 'D'
6/9 + 7/9 + 9/9 + 69/99
2/3 + 7/9 + 1 + 69/99
(66 + 77 + 99 + 69)/99
311/99 => 3.141414
3.
Find the value of
((0.1)3 + (0.6)3 + (0.7)3 − (0.3)(0.6)(0.7))/((0.1)2 + (0.6)2 + (0.7)2 − 0.006 − 0.42 − 0.07)
Answer: Option 'A'
((0.1)3 + (0.6)3 + (0.7)3 − (0.3)(0.6)(0.7))/((0.1)2 + (0.6)2 + (0.7)2 − 0.006 − 0.42 − 0.07)
=> (0.1 + 0.6 + 0.7)3/(0.1 + 0.6 + 0.7)2
=> 0.1 + 0.6 + 0.7 => 1.4 = 14/10
4.
Solve(0.76 × 0.76 × 0.76 − 0.008)/(0.76 × 0.76 + 0.76 × 0.2 + 0.04)
Answer: Option 'A'
0.56
5.
Find the value of × in the following
(1 5/3) ÷ 3/11 × */11 = (2 2/3 × 7/5 × 6/7)
Answer: Option 'C'
3.6
6.
Find the value of (2 − 1/3) (1 − 1/4)(1 − 1/5)……… (1 − 1/99)(1 − 1/100)
Answer: Option 'C'
(2 − 1/3) (1 − 1/4)(1 − 1/5)..... (1 − 1/99)(1 − 1/100)
5/3 × 3/4 × 4/5 × ....... 98/99 × 99/100 = 5/100 = 1/20
7.
Find the value of (875 233/899) × 899
Answer: Option 'B'
(875 233/899) × 899
(786625 + 233)/899 × 899
786858/899 × 899
786858
8.
Find the value of 3/11 × [(1 + 1/3) (1 + 1/4) …………. (1 + 1/120)] is
Answer: Option 'B'
3/11 × [(1 + 1/3) (1 + 1/4) ....... (1 + 1/120)]
3/11 × [4/3 + 5/4 × ........ 121/120]
3/11 × 4/3 × 5/4 × .... 121/120
121/11 = 11.
9.
If 13 + 23 + 33 +......+ 103 = 516 then the value of 23 + 43 + 63 + ..... + 203 is
Answer: Option 'B'
2(13 + 23 + 33 + ---------- + 103)
2 × 516 = 1032
10.
If 13 + 23 + ..... + 93 = 1025 then the value of (0.07)3 + (0.14)3 + (0.21)3 + ..... +(0.63)3 Is close to
Answer: Option 'A'
0.351575
11.
If X = 2 + 1/(1+1/(1-1/2))then the value of 4x+7/3
Answer: Option 'C'
X = 2 + 1/(1+1/(1-1/2))
= 2 + 1/(1+2)
= 2 + 1/3
X = 7/3 ==> 4X + 7/3 => 4(7/3) + 7/3
==> 28/3 + 7/3
==> 35/3
==> 11 2/3.
12.
(121)1/6 is equal to
Answer: Option 'D'
(121)1/6
=>(112)1/6
=> 11 2/6
=> 111/3
=> ∛11
13.
Find the value of (27/343)−2/3
Answer: Option 'C'
(27/343)−2/3
(3/7)−2
(7/3)2
49/9
5 4/9.
14.
Find the value of (√1.21)/(√0.81) + (√1.44)/(√0.49) is
Answer: Option 'C'
(√1.21)/(√0.81) + (√1.44)/(√0.49)
11/9 + 12/7 => (77 + 108)/63 => 185/63
15.
Find the value of [2 − 3(2 − 3)−1]−1
Answer: Option 'B'
0.2
16.
Find the value of 302 − 117 = 24.52 + ?
Answer: Option 'C'
182.75
17.
Find the value of 2/7 of 105 = ? × 90
Answer: Option 'C'
1/3
18.
0.8 × 42 − 36 × 0.7 = ?
Answer: Option 'C'
8.4
19.
√(4.9 − 0.49) = ?
Answer: Option 'D'
None of these
20.
(139 × 13?)/1312 = 13
Answer: Option 'B'
4