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RehanAhmadXLX
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118
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520
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RehanAhmadXLX
July 2022 | 1 Replies
In an experiment, 100 drawing pins were dropped on a floor. 73 landed point up a...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
Explain how lungs are designed in human beings to maximize the area for exchange...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
If the diagonals of a rhombus are 8 cm and 6 cm, its area is a) 6 cm² b) 12 cm²...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
If α and β are the zeroes of the quadratic polynomial p(x) = x²– x – 2, find a p...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
If 2^2x+y = 4^x-y-3 = 1, then (x, y) is a. (-1, -2) b. (-1, 2) c. (1, 2) d. (1,...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
Find the zeros of the quadratic polynomial x²+5x+6 and verify the relation betwe...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
CONTENT QUALITY REQUIRED...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
Why is normal eye not able to see clearly objects placed closer than 25 cm? {AT ...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
Values of a and b for which the following pair of linear equations have an infin...
Answer
RehanAhmadXLX
July 2022 | 0 Replies
Match the columns Column-A Column-B 1. Tapeworm (a) Uterus 2. Vasectomy (b) STD ...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
Republic Day marks the day India formally adopted the Constitution as the guidin...
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RehanAhmadXLX
July 2022 | 2 Replies
A gas is produced when Conc. H2SO4 is added to solid sodium chloride taken in a ...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
The following observation has been arranged n ascending order : 29, 32, 48, 50, ...
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RehanAhmadXLX
July 2022 | 2 Replies
What happens when aqueous solution of sodium sulphate reacts with an aqueous sol...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
7 parts of its volume outside the surface of liquids of densities d1, d2 and d3 ...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
If the radius of cylinder is doubled, but the height is reduced by 50%, the perc...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
If 3, 8, 15 and x are in proportion then find the value of x. A. 15 B. 20 C. 40 ...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
cm³, find the mass of the shot - putt. {ANSWER WITH FULL EXPLANATION}...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
Can two intersecting lines be parallel to a common line? A. sometimes B. Maybe C...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
Name the secretion of the following glands and state in brief their functions: (...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
An element ‘X’ forms an oxide. This oxide reacts with HCl as well as NaOH to for...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
A boy of 50 Kg runs up a staircase of 45 steps in 9 secs. If the height of each ...
Answer
RehanAhmadXLX
July 2022 | 2 Replies
2 cubes of volume 64 m^3 are joined end to end. Find the surface area of of the ...
Answer
RehanAhmadXLX
July 2022 | 1 Replies
What are imaginary roots? How to find imaginary roots of an equation? What are t...
Answer
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