Question
Which two signs need to be interchanged to make the
following equation correct? 75 – 18 × 80 ÷ 16 + 40 = 125Solution
75 – 18 × 80 ÷ 16 + 40 = 125 75 + 18 × 80 ÷ 16 – 40 = 125 75 + 18 × 5 – 40 = 125 75 + 90 – 40 = 125
Find the general solution of cos 3x = 1/2:
The ratio of the length and area of a rectangle is 1:39. And the ratio of length and breadth 4:3. Find the perimeter of ​​the rectangle.
A person 'P' is 4 years younger than 'Q' and also 10 years less than twice the age of 'R'. Given that the ages of 'Q' and 'R' are in the ratio 5:3, dete...
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Let a=i+j​+k, b=2i+j​−k, and c=a×b. The angle between c and a is:
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Arjun, Bheem, and Chetan start a business with initial investments of Rs. (p+1500), Rs. 'p', and Rs. (p-1000) respectively.
Quantity I: If the t...
A factory produces two types of toys, A and B. The production cost of toy A is ₹15 and for toy B is ₹25. If the total selling price of 500 toys is �...
Two cards are drawn from a well-shuffled pack of 52 cards. What is the probability that both are aces?
Vectors a, b, and c satisfy a ⋅  ( b × c ) = 0, and no two of them are zero. Which of the following is necessarily true?
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