[Download PDF] United India Insurance AO Exam 2013 Question Paper Paper with Solutions

Instructions

What should come in place of the question mark (?) in the following number series ?

Question 121

1548, 516, 129, 43, ?

Video Solution

Solution

The numbers are alternatively divided by 3 and 4

1548 $$\div 3$$ = 516

516 $$\div 4$$ = 129

129 $$\div 3$$ = 43

43 $$\div 4$$ = 10.75

Question 122

949, 189.8, ?, 22.776, 11.388, 6.8328

Video Solution

Solution

The pattern followed is :

949 $$\times 0.2$$ = 189.8

189.8 $$\times 0.3$$ = 56.94

56.94 $$\times 0.4$$ = 22.776

22.776 $$\times 0.5$$ = 11.388

11.388 $$\times 0.6$$ = 6.8328

Question 123

121, 144, 190, 259, ?, 466

Video Solution

Solution

Multiples of 23 are added.

121 $$+ 23 \times 1$$ = 144

144 $$+ 23 \times 2$$ = 190

190 $$+ 23 \times 3$$ = 259

259 $$+ 23 \times 4$$ = 351

351 $$+ 23 \times 5$$ = 466

Question 124

14, 43.5, 264, ?, 76188

Video Solution

Solution

The given number series is based on the following pattern :

14 $$\times 3 + 1.5$$ = 43.5

43.5 $$\times 6 + 1.5 \times 2$$ = 264

264 $$\times 12 + 1.5 \times 4$$ = 3174

3174 $$\times 24 + 1.5 \times 8$$ = 76188

Question 125

41, 164, 2624, ?, 6045696

Video Solution

Solution

Squares of even numbers are multiplied.

41 $$\times 2^2$$ = 164

164 $$\times 4^2$$ = 2624

2624 $$\times 6^2$$ = 94464

94464 $$\times 8^2$$ = 6045696

Instructions

What should come in place of the question mark (?) in the following questions ?

Question 126

(47 × 588) ÷ (28 × 120) = ?

Video Solution

Solution

Expression : (47 × 588) ÷ (28 × 120) = ?

= $$\frac{47}{120} \times \frac{588}{28}$$

= $$\frac{47}{120} \times 21$$

= $$\frac{987}{120} = 8.225$$

Question 127

45% of 224 × ?% of 120 = 8104.32

Video Solution

Solution

Expression : 45% of 224 × ?% of 120 = 8104.32

=> $$(\frac{45}{100} \times 224) \times (\frac{x}{100} \times 120) = 8104.32$$

=> $$100.8 \times 1.2x = 8104.32$$

=> $$x = \frac{8104.32}{120.96} = 67$$

Question 128

$$7921 \times 51+ 374 = (?)^{3}$$

Video Solution

Solution

Expression : $$7921 \times 51+ 374 = (?)^{3}$$

=> $$403971 + 374 = (x)^3$$

=> $$x^3 = 404345$$

=> $$x = \sqrt[3]{404345} = 73.9 \approx 74$$

Question 129

$$6573 \div 21 \times (0.2)^{2} = ?$$

Video Solution

Solution

Expression : $$6573 \div 21 \times (0.2)^{2} = ?$$

= $$\frac{6573}{21} \times 0.04$$

= $$313 \times 0.04$$

= $$12.52$$

Question 130

74156 - ? - 321- 20 + 520 = 69894

Video Solution

Solution

Expression : 74156 - ? - 321- 20 + 520 = 69894

=> $$74676 - x - 341 = 69894$$

=> $$x = 74335 - 69894$$

=> $$x = 4441$$

CAT Content

United India Insurance AO Exam 2013 Question Paper

1548, 516, 129, 43, ?

949, 189.8, ?, 22.776, 11.388, 6.8328

121, 144, 190, 259, ?, 466

14, 43.5, 264, ?, 76188

41, 164, 2624, ?, 6045696

(47 × 588) ÷ (28 × 120) = ?

45% of 224 × ?% of 120 = 8104.32

$$7921 \times 51+ 374 = (?)^{3}$$

$$6573 \div 21 \times (0.2)^{2} = ?$$

74156 - ? - 321- 20 + 520 = 69894

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