Oral puzzles

anonimnystefy · 2018-10-08 10:37:18

ganesh wrote:

Hi,
.
#4242. If the numerator of a fraction is increased by 300% and the denominator is increased by 500%, the resultant fraction is
. What was the original fraction?

Jai Ganesh · 2018-10-08 15:07:21

Hi,

The solution

is correct. Neat work, anonimnystefy!

#4243. In an examination out of 480 students, 85% of the girls and 70% of the boys passed. How many boys appeared in the examination, if total pass percentage was 75%?

Jai Ganesh · 2018-10-09 15:13:33

Hi,

#4244. Fresh grapes contain 80% water, while dry grapes contain 10% water. If the weight of dry grapes is 500 kilograms, then what is the total weight when its is fresh?

Jai Ganesh · 2018-10-10 15:02:19

Hi,

#4245. Tax on a commodity is reduced by 10%, total revenue remains unchanged. What is the percentage increase in its consumption?

Jai Ganesh · 2018-10-11 14:46:05

Hi,

#4246. If 50% of a number is equal to three-fourth of another number, what is the ratio of the numbers?

Jai Ganesh · 2018-10-12 15:33:14

Hi,

.

#4247. Five-ninths of a number is equal to 25% of the second number. The second number is equal to one-fourth of the third number. The value of the third number is 2960. What is 30% of the first number?

Jai Ganesh · 2018-10-13 15:20:16

Hi,

.

#4248. It is required to get 40% marks to pass an examination. A candidate scored 200 marks and failed by 8 marks. What were the maximum marks of that examination?

Jai Ganesh · 2018-10-14 15:49:11

Hi,

#4249. When the price of rice is increased by 25 percent, a family reduces its consumption such that the expenditure is only 10 percent more than before. If 40 kilogram of rice is consumed by the family before, then find the new consumption of the family.

Jai Ganesh · 2018-10-15 15:34:56

Hi,

#4250. In a school, the number of boys and girls are in the ratio 4:7. If the number of boys are increased by 25% and the number of girls are increased by 15%. What will be the new ratio of the boys and girls?

Jai Ganesh · 2018-10-16 15:00:29

Hi,

#4251. Ram spends 50% of his annual income on household items, 20% of his income on buying clothes, 5% of his annual income on medicines and saves $11250. What is Ram's annual income?

Jai Ganesh · 2018-10-17 15:44:11

Hi,

#4252. A man spends 28% of his salary on food. From the remaining, he spent 1/6th on rent and sends 3/8th to his mother. If he is left with $5280, what amount he sends to his mother?

Jai Ganesh · 2018-10-18 15:38:58

Hi,

#4253. Ramesh has 20% savings from his monthly salary. If the expenditure in clothing is 25% of the overall expenditure and his total expenditure except clothing is Rupees 7200, then find his savings.

Jai Ganesh · 2018-10-19 16:20:36

Hi,

#4254. In an Entrance Examination, Ritu scored 56% marks, Smita scored 92% marks, and Rina scored 634 marks. The maximum marks of the examination are 875. What is the average marks scored by all the three girls together?

Jai Ganesh · 2018-10-20 14:37:46

Hi,

.

#4255. Albert spends 25 percent of his salary on house rent, 5 percent on food, 15 percent on travel, 10 percent on clothes, and the remaining amount of $27,000 is saved. What is Albert's income?

Monox D. I-Fly · 2018-10-21 14:34:55

Jai Ganesh · 2018-10-21 15:56:38

Hi,

Good attempt, Monox D. I-Fly!

Hope you have recovered fully after the cataract surgery!

#4256. Five-ninths of a number is equal to twenty-five percent of the second number. The second number is equal to one-fourth of the third number. The value of the third number is 2960. What is 30 percent of the first number?

Monox D. I-Fly · 2018-10-21 19:01:39

Amen! Looks like the anesthesia messed up a part of my brain.

Jai Ganesh · 2018-10-21 20:42:34

Hi,

Nevermind, Monox D. I-Fly! Our dear fiend, bobbym, who is not with us now, often said it happened to all, and it was nothing to worry! I too make too many mistakes when I am in a hurry!

.

#4257. A Human Resources Company employs 4800 people, out of which 45% are males and 60% of the males are either 25 years or older. How many males are employed in the Human Resources Company who are younger than 25 years?

Jai Ganesh · 2018-10-22 15:53:05

Hi,

.

#4258. G spends 50% of his monthly income on household items and out of the remaining, he spends 50% on transport, 25% on entertainment, 10% on sports and the remaining amount of $900 is saved. What is G's monthly income?

Jai Ganesh · 2018-10-23 15:06:45

Hi,

#4259. 'A' sells goods to 'B' at a profit of 20% and 'B' sells it to 'C' at a profit of 25%. If 'C' pays $225 for it, what was the Cost Price of 'A'?

Jai Ganesh · 2018-10-24 15:36:38

Hi,

#4260. The average of five numbers is 49. The average of the first and second numbers is 48 and the average of the fourth and the fifth numbers is 28. What is the third number?

Jai Ganesh · 2018-10-25 16:06:21

Hi,

#4261. The average of five numbers is 57.8; the average of the first and the second numbers is 77.5 and the fourth and the fifth numbers is 46. What is the third number?

Jai Ganesh · 2018-10-26 14:37:03

Hi,

#4262. Find the average of the following set of scores: 125, 236, 334, 486, 564, 625, 702, 800.

Jai Ganesh · 2018-10-27 15:36:59

Hi,

.

#4263. The average height of four girls was recorded as 150 centimeters. If the average of the heights of three girls out of the four was 148 centimeters, what was the height of the fourth girl?

Monox D. I-Fly · 2018-10-28 12:59:16

Math Is Fun Forum

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