Question
Rani appeared for an examination which had four papers,
with the weightage of the four papers being in the ratio 1:2:3:x She secured 60 percent marks in Paper 1, 75 percent marks in Paper 2, 72 percent marks in Paper 3 and 80 percent in Paper 4. If the overall average scores of all the four papers taken together is 75.5 percent, what is the value of x?Solution
The correct answer is A
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 In a certain code of language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘ what ...
What will be the value of expression if the numbers/digits ‘(8)’ and ‘(9)’ are interchanged?
168 ÷ 6 × 32 ÷ 9 × 7 + 8 + 11
...A $ B means A X B, A & B means A - B, A % B means A ÷ B and A # B means A + B, then what is the value of 320 & 80 # 120 % 24 $ 50?
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 After interchanging the given two signs, what will be the value of the given equation? + and ÷
128 - 45 ÷ 72 + 9 X 11
Which two signs should be interchanged to make the below equation mathematically correct?
9 ÷ 3 + 6 – 6 × 2 = 30
A shopkeeper sells rice in such a way that the selling price of 950 gm is the same as the cost price of one kilogram. Find his gain percent.
If ‘÷’ means ‘addition’, ‘+’ means ‘subtraction’, ‘-’ means ‘multiplication’, and ‘x’ means ‘division’, what will be th...
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of the given expression?
32 B 40 A 8 C 10 D 12