106. The value of is –
(A) 16
(B) 17
(C) 18
(D) None of these
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107. L.C.M. of 42, 3, 10.2 is –
(A) 63
(B) 72
(C) 81
(D) 92
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108. There is 20% iron in 1 Kg. mixture of sand and iron. How much sand must be added to the mixture to make the iron content 10%?
(A) 1 kg.
(B) 200 gm.
(E) 800 gm.
(D) 1.8 kg.
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109. The average of 11 results is 50. If the average of the first six results is 49 and that of the last six results is 52, then the sixth result will be
(A) 56
(B) 54
(C) 52
(D) 48
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110. A train leaves Dehradun on 30th September 2022 at 16:30 hours and reaches its destination on 2nd October 2022 at 08:45 hours. The total travel time of the journey is –
(A) 36 hours 15 minutes
(B) 38 hours 45 minutes
(C) 39 hours 45 minutes
(D) 40 hours 15 minutes
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111. The cost price of 10 articles is equal to the selling price of 9 articles. The percentage profit will be –
(A) 9 1/9 %
(B) 10 1/9%
(C) 11 1/9%
(D) 12 1/9%
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112. The supplementary angle of an angle is four times its complementary angle, then that angle is –
(A) 30°
(B) 40°
(C) 45°
(D) 60°
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113. A train crosses a pole in 15 seconds and crosses a platform 100 meter long in 25 seconds. The length of the train is –
(A) 400 meter
(B) 350 meter
(C) 200 meter
(D) 150 meter
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114. In the product 3759 x 9573, the sum of ten’s digit and units digit is –
(A) 7
(B) 9
(C) 16
(D) 0
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115. If the length of a rectangle is decreased by 20%, then by what percent increase in its width, the area will remain the same?
(A) 25%
(B) 50%
(C) 75%
(D) None of these
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116. Which of the following cannot be considered as a reason for fear and failure in mathematics?
(A) Symbolic notations
(B) Structure of mathematics
(C) Gender differences
(D) Classroom experiences
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117. Which is the most suitable teaching method for teaching Geometry in mathematics?
(A) Playway method
(B) Analysis method
(C) Deductive method
(D) Heuristic method
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118. The correct sequence of terms used in 6E teaching plan is –
(i) Explain
(ii) Engage
(iii) Elaborate
(iv) Evaluate
(A) (ii), (i), (iii), (iv)
(B) (ii), (iii), (i), (iv)
(C) (i), (ii), (iii), (iv)
(D) (iii), (i), (ii), (iv)
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119. If the sum and product of two numbers are 5 and 36 respectively, then the sum of their reciprocals will be –
(A) 5/9
(B) 31/36
(C) 5/36
(D) 31/9
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120. In the given fig. OP  RS ∠OPQ = 100° and ∠QRS = 140° then ∠PQR is equal to –
(A) 80°
(B) 60°
(C) 70°
(D) 90°
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