Question
What will be the color of a red rose when it is seen
through green glass?Solution
Black, because red and green are two primary colours which when mixed together gives black colour in terms of light and wavelength.Â
Rani and Kavi undertake to do a work together for Rs. 600. Rani alone can do it in 15 days and Kavi alone in 20 days. But with the assistance of Rita th...
The greater of the two numbers whose product is 900 and sum exceeds their difference by 30 is
A trader purchased 132 dozens of mangoes at Rs.475 per dozen and could sell only 125 dozens at Rs.530 per dozen. What is the value of stock of mangoes i...
A man invested a sum of money at compound interest. It amounted to Rs. 2420 in 2 years and to Rs. 2662 in 3 years. Find the sum.
Which of the following is the correct order?
If '+' means '-', '-' means '+', '×' means '÷', and '÷' means '×', then the value of 42 – 12 × 3 + 8 ÷ 2 + ...
The sum of three consecutive even numbers is 28 more than the average of these three numbers. Then the smallest of these three numbers is
Rs.2420 were divided among A, B, C so that A: B=5 : 4 and B : C = 9 : 10 then C gets
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