1 Answers
Vidhya and Vijay were studying the effect of certain radiations on flower plants. Vidhya exposed her plants to UV rays and Vijay exposed his plants
Frequency of UV rays is greater than infrared rays, hence UV rays are much more energetic than infrared rays. Plants cannot tolerate the exposure of high energy rays. As a...
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Vinay brought the following material into the class room. Plastic tube, wooden spoon, water, clean cotton cloth, old newspapers,
(A) Recycled paper
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If `f: R to R and g: R to R ` be two functions defined as f(x)=2x+1 and `g(x)=x^(2)-2` respectively , then find (gof) (x) and (fog) (x) and show that
Correct Answer - `(gof)(x)=4x^(2)+4x-1, (fog)(x)=2x^(2)-3`
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0. 023 lies between (A) 0.2 and 0.3 (B) 0.02 and 0.03 (C) 0.03 and 0.029 (D) 0.026 and 0.024
The correct answer is (B)
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Vijay chemicals selected 15 workers for their chemical plant.
Vestibule training.
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5 pens and 6 pencils together cost Rs 9 and 3 pens and 2 pencils cost Rs 5. Find the cost of 1 pen and 1 pencil.
Let the cost of 1 pen be ‘a’ and the cost of 1 pencil be ‘b’. Given, 5 pens and 6 pencils together cost Rs 9. 5a + 6b = 9 --------- (1) Given, 3...
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4 tables and 3 chairs, together, cost Rs 2,250 and 3 tables and 4 chairs cost Rs 1950. Find the cost of 2 chairs and 1 table.
Let the cost of 1 table be ‘a’ and cost of 1 chair be ‘b’. Given, 4 tables and 3 chairs, together, cost Rs 2,250 and 3 tables and 4 chairs cost...
2 Answers 1 views
A and B together can do a piece of work in 12 days, B and C can do it in 15 days and C and A can do the same work in 20 days. How long would each of t
Work done by A and B in 1 day=1/12 Work done by B and C in 1 day=1/15 Work done by C and A 1 day=1/20 Adding all the three,...
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A and B are partners in the ratio of 3:2. C is admitted as a partner and he takes 1/4th of his share from A.
Correct answer is: (A) 1/4
2 Answers 3 views
Match the following 1. Minor partners
a. 1 - iii, 2 - iv, 3 - ii, 4 – i
2 Answers 1 views