1 In measuring the sides of a rectangle errors of 5% and 3% in excess are made. The error percent in the calculated area is A) 8.15% B) 7.15% C) 6.15% D) 9.15% E) 5.15%
3 If $37$% of $150 + 25$% of $x$ $= 1 \left(\frac{1}{2}\right)$ , then the value of x = ? A) 260 B) 160 C) 250 D) 302 E) 280
4 When a number is first increased by 10% and then is reduced by 10%, then the number A) Decreases by 1% B) Does not change C) Increases by 1% D) Cannot be determined
5 A gets 10% more marks than B. Then B gets A) 10% less marks than A B) 10% more marks than A C) $9\left(\frac{1}{11}\right)$% marks less than A D) Cannot be determined
6 In an examination in which full marks were 500, A got 10% less than B, B 25% more than C and C 20% less than D. If A got 360 marks. Marks obtained by D is? A) 60% B) 80% C) 40% D) 70% E) 755
7 Naresh secured 50% marks in Hindi, 60% in English and 70 % in Maths as well in Science. What were his total marks, If the maximum marks obtainable in each of these 4 subjects was 50? A) 120 B) 125 C) 150 D) 200 E) 250
8 A man loses 12 $\frac{1}{2}$% of his money and after spending 70% of the remainder, has Rs 210 left. At first the man had? A) Rs.880 B) Rs.720 C) Rs.800 D) Rs.600 E) Rs. 850
9 If 60 is subtracted from 60% of a number the result is 60 .The number is A) 120 B) 150 C) 180 D) 200 E) 220
10 By how much percent is the four-fifth of 70 less than five-seventh of 112? A) 42% B) 30% C) 24% D) 36% E) 45%
12 Entry fee in an exhibition was Re.1 .Later, this was reduced by 25% .Which increased the sale by 20% .Find the percentage increase in the number of visitors? A) 40% B) 50% C) 60% D) 70% E) 80%
13 A man saves $3\frac{1}{3}$ % from his salary of Rs.750 every month .in how many months will he be able to save an amount equal to his monthly salary? A) 40 months B) 50 months C) 30 months D) 25 months E) 50 months
14 Student multiplied a number by 3/5 instead of 5/3.What is the percentage error in the calculation? A) 65% B) 68% C) 70% D) 72% E) 64%
15 A student secures 90%,60%,54% marks in test papers with 100,150 and 200 respectively as maximum marks. The percentage of his aggregate is A) 64% B) 68% C) 70% D) 72% E) 65%