A circle of radius 5 cm. Two chords AB, AC , both equal to 6. Find length of BC.
Can someone please solve the questions below
1. Railways reduce the fair by 8 % but the number of passengers increased by 10%. What is the % change in revenue ? Ans : 17.2 Decrease
2. When the prices of the eggs dropped by 20% , 20 more eggs could be obtained for 20 Rupees. What is the price of the one egg earlier ? Ans : 0.25
3. A can of juice was 80% full. 80 % of the contents were emptied into a glass and 81 ml juice was added to the can. Then the can became full to the brim . What is the capacity of the can ?
PS : Source is IMS Catapult QA 13 handout ..!!
Please do tell me the logical way of solving these stuff ..for every problem there seems to be a separate formulae for this....that baffles me to the hell ..!!!
Find the remainder when 81(64^25) is divided by
Any other approach except binomial?
a)2079
b)2997
c)2103
d)2719
A clock loses 1/2 % on true time during one week and gains 1/4 % on true time during the next week. If it is set right at 12 o 'clock on Saturday Morning what time will it indicate at the end of the second week
Ans : 11 hrs 34 mins 48 sec
Solution plzzzz
What would be last two digits of (7^100- 1)/6.?
Plz mention the steps.!!
If the integers m and n are chosen at random from 1 to 100, then the probability that a number of the form 7^m+7^n is divisible by 5 is
a)1/4 b) 1/2 c) 1/16 d) 1/6
Find the remainder when 209! is divided by 422.
Answer is 212.
The remainder of 2^2(1!) + 3^2(2!) + 4^2(3!) +
The answer is 17.
Steps?
Can someone solve this
A shopkeeper professes to sell his goods at cost price . However
1. He uses a faulty balance that balances 960 gm of tomatoes with a weight of 1 kg weight. What is the % Por L
2. He uses a faulty weight of 960 gm in place of a 1kg weight. What is the % P or L
3. He uses a faulty balance that has one arm 4 % longer than the other. What is the % P or L
Puys solutions please
PS : Solutions for first and second are different ...!!!!
First call of the season- NM !! yay!!
Two distinct numbers a and b are chosen ranging from 1 to 30.Then what is the probability that a²-b² is divisible by 3 ??
Six coins are tossed simultaneously. the probability of getting atleast 4 heads is?
two dice attached on one side....one face is common.... (i hope u gt d situatn...) find the number of different possible combinations.....????
There are two cubes one of which is having 5 faces red and 1 face blue the other is colored in red and blue such that when the two cubes are rolled then probability of getting same color on top face of both the dice is 1/2. How many faces on the other cube are colored red?
If N = 63^(1! + 2! + 3! + ..+ 63!) + 18^(1! + 2! + 3!..+ 18!) + 37(^1! + 2! + 3! + ...+ 37!), then the unit digit of N is
Let A = 333...333 (51 digits) and B = 666...666 (51 digits). Then the 52nd digit (counting from the right) in the product A B is
Let M be the greatest number divisible by 8, such that no digit from 0 to 9 is repeated in M. What is the remainder when M is divided by 1000?
four people are to be seated in a linear arrangement of 12 chairs...numbered 1 to 12... such that chair no 1 and 8 are occupied by two of them.... how many ways can you place them such that no two are placed adjacent to each other....????
If n lies between (36,72) and x = [n^2 + (2*n^1/2*(n+4)) + 16]/ [n + 4*(n^1/2) + 4]. What is the range of x?
There are two colleges in town- College A and College B. There are 500 students more in coll A than in coll B.The ratio of boys to that of girls in coll A is 3:2 and that in coll B is 4:1.The ratio of number of science,humanities and commerce students in coll A and coll B are 2:5:3 and 2:3:3 respectively.The number of commerce students in both the colleges is the same.
1) How many students are there in coll A?
2) How many girls are there in 2 colleges together?