Practise 100 Most Repeated MCQs of Math MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
Study 100 Most Repeated MCQs of Math through multiple-choice questions in Maths. This subtopic contains 1095 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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Answer: Rs.1600
Explanation Let the amount be divided into 7x,4x,3x and 2x. 7x-2x = 500 5x=500 x = 100 Total amount = 7x+4x+3x+2x = 16x = Rs. 1600
Answer: 1000
Explanation 30% of 100 = 30 3% of 1000 = 3/100 × 1000 = 30 So, 30% of 100 is equal to 3% of 1000.
Answer: 42
Explanation To calculate the total cost: Tax amount = 5% of Rs. 40 = 0.05 × 40 = Rs. 2 Total cost = Item price + Tax amount = Rs. 40 + Rs. 2 = Rs. 42
Answer: 82
Explanation The pattern of the series is obtained by adding 2, 2, 4, 18, ... (doubling the previous increment and adding 2). 2 + 2 = 4 4 + 2 = 6 6 + 4 = 10 10 + 18 = 28 28 + 54 = 82
Answer: 100001
Explanation Let's convert: 33 ÷ 2 = 16 R 1 16 ÷ 2 = 8 R 0 8 ÷ 2 = 4 R 0 4 ÷ 2 = 2 R 0 2 ÷ 2 = 1 R 0 1 ÷ 2 = 0 R 1 Binary: 100001
Answer: Rs.1500
Explanation (5/100) A = (15/100) B A = 3B A + B = 2000 4B = 2000 => B = 500 A = 1500
Answer: see the answer in the detail
Explanation Six scientists A, B, C, D, E, and F present a paper each at a one-day conference. Three of them will present their papers in the morning session before the lunch break whereas the other three will be presented in the afternoon session. The lectures have to be scheduled in such a way that they comply with the following restrictions. B should present his paper immediately before C's presentation; their presentations cannot be separated by the lunch break. D must be either the first or the last scientist to present his paper. Question: In case F and E are the fifth and sixth presenters respectively then which of the following must be true? A) B is first in the order of presenters. B) A is first in the order of presenters. C) A is third in the order of presenters D) A is fourth in the order of presenters.
Answer: 25
Explanation 425-400=25
Answer: 3
Explanation Let’s solve step by step using BODMAS (Brackets, Orders, Division/Multiplication, Addition, Subtraction): 3 + 3 ÷ 3 × 3 - 3 Division first: 3 ÷ 3 = 1 3 + 1 × 3 - 3 Multiplication next: 1 × 3 = 3 3 + 3 - 3 Addition and subtraction left to right: 3 + 3 = 6 6 - 3 = 3 More Details Rule order : Bracket → Of → Division → Multiplication → Addition → Subtraction, Always perform ÷ and × before + and − .
Answer: If Amanda does not buy green in-line skates then Tom does not buy a red skateboard
Explanation The original statement and its contrapositive are logically equivalent. Remember that the contrapositive is the “converse of the inverse"
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