Question
Select the option in which the numbers are related in
the same way as are the numbers in the given set. (28, 343, 21)Solution
(28, 343, 21) = [(28 + 21) × (28 – 21)] = 49 x 7 = 343 Similarly, (54, 1892, 32) = [(54 + 32) × (54 – 32)] = 86 x 22 = 1892
If x2Â - 7x + 1 = 0, then find the value of:
3 + ( x 6Â +Â x 4Â +Â x 2Â + 1)/ 7x 3 Â Â ...
The condition for the line y = mx + c to be tangent to the circle  x ²  + y ²  = r ² isÂ
A father is three times as old as his son. Four years ago, he was five times as old as his son. What are their present ages?
A college has a total of 2400 students, and each student must select only one subject from the following three options: Data Analysis, Digital Marketing...
Puneet owns 66 foldable laptops, and Raja has 22 more foldable laptops than Puneet. The ratio of foldable laptops between Raja an...
X has 30% more money than Y, and Z has 35% less money than Y. What percent more money does X have than Z?
Find the equation of the line passing through the point (3, 4) and having a slope of 2.
Find the simplified value of the following expression:
(16.25 × 24 + 7 × √36) ÷ 23 + 3.75 × 16 – 37 × 2 + 7.5
...
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