Question
Amit ranked 7th from the top and 26th from the bottom in
his class. How many students are there in the class?Solution
Amit ranked 7th from the top and 26th (i.e 25 persons are ranked behind Amit from the bottom in his class. ) So, total number of students 7 + 25 = 32
If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%,then the area of the rectangle increases by x%. Then the value of ...
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Solve for x in the equation: 3(x + 2) + 2(2x - 5) = 5x + 9
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...If a, b and c are integers such that a 2 + b 2 + c 2 = 228, a + b + c = 26 and b = c, then find the value of a?
Find ‘x’ if (x³+3x)/(3x²+1) = 189/61
What is the highest common factor of (x³ - x² - x - 15) and (x³ - 3x² - 3x + 9)?
If ( p = 40 - q - r ) and ( pq + r(q + p) = 720 ), then find the value of ( p2 + q2 + r2).
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