10 second questions

Jai Ganesh · 2020-05-13 00:45:36

Hi,

#7757. The ratio of two numbers is 5:3 and the difference between their squares is 144. Find the numbers.

Jai Ganesh · 2020-05-15 00:37:05

Hi,

#7758. If A:B = 1:3, B:C = 5:7, C:D = 9:7, find A:B:C:D.

Jai Ganesh · 2020-05-17 00:28:32

Hi,

#7759. The average score of a class of boys and girls in an examination is A. The ratio of boys and girls in the class is 3:1. If the average score of the boys is (A + 1), find the average score of the girls.

Jai Ganesh · 2020-05-20 00:24:02

Hi,

#7760. When

of a number is added to 60, we get the number itself. Find the number.

Jai Ganesh · 2020-05-26 01:01:55

Hi,

#7761. A trader gives two successive discounts of 10% and 5% to a dealer. What is the net % change?

Jai Ganesh · 2020-05-31 22:41:52

Hi,

#7762. Three sets of 40, 50, and 60 students appeased for an examination and the pass percentage was 100, 90, and 80 respectively. Find the pass percentage of the whole set.

Jai Ganesh · 2020-06-03 00:25:35

Hi,

#7763. A clerk received as annual salary of $3660 in the year 1975. This was 20% more than his salary in 1974. What was is salary in 1974?

Jai Ganesh · 2020-06-05 00:04:13

Hi,

#7764. If 120 is 20% of a number, then find 120% of that number.

Jai Ganesh · 2020-06-07 00:07:11

Hi,

#7765. Out of his total income, Karl spends 20% on his house rent, and 70% of the rest on household expenses. If he saves $1800, what is his total income (in $)?

Jai Ganesh · 2020-06-09 00:14:01

Hi,

#7766. The price of an article is first decreased by 20% and then increased by 30%. If the resulting price is $416, find the original price of the article.

Jai Ganesh · 2020-06-11 00:03:14

Hi,

#7767. Price of milk has increased by 20%. To keep the expenditure unchanged, the present consumption is to be reduced by how many percent?

Jai Ganesh · 2020-06-12 00:37:10

Hi,

#7768. The cost on an article worth $100 is increased by 10% first and again increased by 10%. Find the total increase in $.

Jai Ganesh · 2020-06-14 00:01:43

Hi,

#7769. A's salary is increased by 10% and then decreased by 10%. Find the percentage change in salary.

Jai Ganesh · 2020-06-15 01:35:31

Hi,

.

#7770. A reduction in the price of apples enables a person to purchase 3 apples for 1$ instead of $1.25. What is the percentage of reduction in price?

Jai Ganesh · 2020-06-16 00:17:49

Hi,

#7771. What value will you obtain if twenty-five percent of 2340 is subtracted from four-ninth of square of 36?

Jai Ganesh · 2020-06-17 00:06:19

Hi,

#7772. The salary of Alex is 30% more than that of Brian. Find by what percentage is the salary of Brian less than that of Alex?

Jai Ganesh · 2020-06-18 00:30:13

Hi,

#7773. In an examination, 30% of total students failed in French, 45% failed in English, and 20% failed in both subjects. Find the percentage of those who was successful in both the subjects.

Jai Ganesh · 2020-06-20 00:31:26

Hi,

#7774. Mark had a certain amount, he gave 15% of that amount to Antony, 32% to Reginald, 25% to Sam. Three fourth of the remaining amount is $8400. How much did he give Antony?

Jai Ganesh · 2020-06-22 00:44:41

Hi,

#7775. What will be the approximate value of 26% of 1/15 of the sum of five times of 45 and 2 times of 60?

Jai Ganesh · 2020-06-24 00:34:23

Hi,

#7776. The difference between 20% of a number and four-fifth of the same number is 2499. What is two-seventh of that number?

Jai Ganesh · 2020-06-26 00:54:21

Hi,

#7777. The sum of 55% of a number and 40% of the same number is 180.5. What is 80% of that number?

Jai Ganesh · 2020-06-28 00:20:03

Hi,

#7778. 20% of the cost price of a plot with an area of 395 square feet is $78,210. What is the rate per square feet of the plot?

Jai Ganesh · 2020-06-30 00:16:29

Hi,

#7779. A plot of 1800 square feet is available at the rate of $630 per square feet. If 45% of the total cost of the plot is to be paid at the time of booking it, how much is the booking amount?

Jai Ganesh · 2020-07-02 00:13:27

Hi,

#7780. If the numerator of a fraction is increased by 300% and the denominator is increased by 200%, the resultant fraction is 4/15. What is the original fraction?

Jai Ganesh · 2020-07-04 00:15:59

Hi,

#7781. Sally's income decreased from $10,500 to $9000. What is the decrease %?

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