A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?
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If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?
In the following question, select the odd letter/letters from the given alternatives.
Select the missing number.
The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.
A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area (in sq cm) of the circle?
Possible length of the three sides of a triangle are :
The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?