How many four digit numbers have sum of digits equal to 22?
Please share the approach.
The reduction in the length of cloth that a weaver will weave on a day is directly proportional to the square root of the number of days for which he has already worked since his last break (i.e., day off from work). If the only break that the weaver took in the month of August was on 1st of August and the length of cloth that he wove on the 18th and the 27th of August was 14 m and 10 m respectively, find the length of cloth (in m) that he wove on the 2nd of August.
Arif, Bill and Chetan were classmates and wanted to watch a movie at South City Mall right after their class got over. Bill had an Activa bike which could accommodate a maximum of two persons at a time and they wanted to reach the mall in the minimum time possible. They started simultaneously from their college, Bill and Arif on the bike and Chetan on foot. Bill dropped Arif at a certain point along the route to the mall, turned back and on his way met Chetan. He picked up Chetan and then traveled towards the mall such that all three of them reached the mall simultaneously. What is the total time (in minutes) taken by them to reach the mail from their college, if the speed of the bike was 30 km/hr, the walking speed of each of them was 6 km/hr and the distance between their college and the mail was 22.5 km?
A special kind of wine requires to be kept for 4 years in a special chamber as as to acquire the required taste.The cost of manufacturing one bottle is 250 and inventory cost for each bottle is rs 4 per year.The company makes 6000 bottles and keeps them in special chambers, but every year 2% of the bottles break.After 4 years at what price should they sell remaining bottles to make a profit of 10% 1) 300 2) 317 3) 325 4) 340
Any one from Byju ?
Kushal takes up an assignment, For each working day he is given a target. For each day he meets the target he is paid 105 rs. And he doesn't meet target he is paid 18 rs less. If end of the month he paid a total of 2988 rs. for how many days he meet target? .ANS is 21...please share apporach..
A dealer marks up the cost price of an article by ‘p%’ and then gives a discount of ‘p%’ on the marked price. Now the price of the article is Rs. 21 less than the cost price of the article. He again marks up the decreased price by ‘p%’ and then gives a discount of ‘p%’. If the price of article now is Rs. 2058, then find the approximate value of p.
In right angle triangle, the measure of one of its angle is 49. Find Sin 49
Hypotoneous 50?
Need a bit of help...
My attempts in QA are not increasing. While analysation i can solve almost every question. It is issue of time that i am facing. Last time also when i gave CAT , Qa ruined me. Please if someone could give sincere advice.... my marks in qa are generally in range 45-55 in moderate level mock. Suggestions needed...
Q
If f(x/y) = f(x) – f(y), and it is given that f(2) = 3, f(3) = 5, f(4) = 6, f(5) = 10, then find the value of f(2160)?f f(x/y) = f(x) – f(y), and it is given that f(2) = 3, f(3) = 5, f(4) = 6, f(5) = 10, then find the value of f(2160)?
A) 27
B) 37
C) 48
D) None of These
Please tell me the approach for this question. John invests his pension fund in 3 different mutual funds a,b,c in the ratio 2:3:5 for 4 years. if the annual return in a,b,c is 5%,15%,30% respectively, overall profit percentage after 4 years will be nearest to??
- 110
- 100
- 130
- 120
0 voters
In how many ways can 7 chocolate of type A, 6 chocolate of type B & 5 chocolate of type C can be distributed among 4 children such that each child gets atleatst 1 chocolate of each type?
Method please "
Find the number of zeroes at the end
Q.1) 1!*2!......................*50!.
Q.2) 1^1 * 2^2......................10^10
A milkman purchased milk at a certain price, diluted it by adding water and then sold the mixture at 100/3% above his cost price and thereby made a profit of 40%. Find the quantity (in ml) of water he added for every litre of milk purchased ?
Permutations and Combinations: AIMCAT Question
A country wanted to select four mixed-doubles tennis teams for the upcoming Rio Olympics from 6 female players and 6 male players available for selection. If the selection panel chose the players at random, then in how many ways they could have done that? (A mixed doubles tennis team comprises one male and one female player)
Please explain the flaw in this approach-
First team can be made in 6C1 x 6C1 ways.
Second team can be made in 5C1 X 5C1 ways
Third team- 4C1 X 4C1 and Fourth team - 3C1 X 3C1
Total ways 36x25x16x9 = 129600
The sets Qp are defined as {p, p + 1, p + 2, p + 3, p + 4, p + 5, p + 6}, where p = 1, 2, 3 . . . . . 100. How many of these sets contain a multiple of 11?
Approach?
A potter makes more than 100 but less than 300 pots and arranges them in row, with each row consisting of same number of pots, for drying. he finds that if he places 6 pots more per row, he can arrange the pots in 10 less row. how many pots does potter make?
Options:
A) 180 B) 120 C) 164 D) 225
The germination of seeds is estimated by a probability of 0.8. What is the probability that out of five seeds sown at least four will germinate?
I got an answer using Bayes and it was really calculation intensive. BETTER APPROACH