(1+sinx)/cosx = 2 sqrt2. Find sin2x.
Where can I get timed sectional tests ? (other than IMS and TIME ) ?
Friend how 17 and 109 are co-primes?. plz explain all the rules of co-primes?
If
1/3 log (base3) M + 3log(base3)N = 1 + log (base 0.008) 5
then :
M^9 = 9/N
M^3 = 3/N
N^9=9/M
N^3=3/M
dont know the OA
This question caused me headache. Pl take it up and do share your solution/approach
Mr. Raj Kapur, an anthropologist, who is doing a project on racial features, observed that in his class of 130 students, 60 students had black eyes, 50 students had an aquiline nose, 45 students had a broad forehead and 90 students had exactly one of the three features.
Himesh said to Reshamiya, "My wife is six years older than your daughter, whose present age is onesixth
the age of my
greatgrandfather
at the time of his death, and your eldest son is eight years younger than your second wife". Reshamiya said to
Himesh, "My second wife is 8/7 times as old as your wife and my eldest son is onesixth
as old as what your greatgrandfather
would have been today had he not
died six years ago". What would Himesh's greatgrand
father's age have been at the time of conversation had he been alive?
A die has to be labeled with numbers 1 to 6, with a number on a face, such that the numbers on none of the pair of opposite faces add up to a multiple of 3. In how many ways can this be done?
approach plzz?
oa are..
12
18
8
NOT
The number of real roots of the equation 3y^101 + 7y^100 + 3y^99 + 7y^98 + ... 3y + 7 = 0 is??
In a class comprising boys and girls, 'k' oranges were distributed such that everyone in the class got at least one orange
and at most three oranges. The aggregate number of boys and girls who got three oranges was 40. The aggregate number of boys
who got at least two oranges and the number of girls who got at least 1 orange was 100. The aggregate number of boys and girls
who got at least two oranges each was 60 and the aggregate number of boys who got atleast one orange and the number of girls
who got exactly three oranges was 100. Which of the following value of 'k' is consistent with the given information?
approach plzz
- 230
- 225
- 255
- 270
0 voters
P takes a certain route to reach a coaching centre from his house. He first travels uphill, then on a straight road and finally travels downhill to reach his coaching institute. P takes 4 hours to reach his institute. The speeds of P uphill, on the straight road and downhill are 4 km/hr, 4.8 km/hr and 6 km/hr respectively. When returning, P takes 4.5 hours to reach home (taking the same route). What is the distance between his house and the coaching centre?
14.8 km
19.2 km
20.4 km
21.6 km
22.8 km
Bunty bought three books of Science, Math and History and sold each of them at some profit. The cost of the Math book is 10% more than that of the Science book and the cost of the History book is 20% less than that of the Math book. Also, the profit earned by selling the Science book is 20% more than that earned by selling the History book and the profit earned by selling the Math book is 10% less than that earned by selling the Science book. If Bunty made a profit of 20% by selling the Math book, then the profit he made by selling the Science book is approximately:
- Type Your Answer
0 voters
In an exam, there were 50 questions; each question answered correctly fetches 5 marks and each question answered
incorrectly attracts penalty of 2 marks and no marks awarded or deducted for an unattempted question. A group of five friends,
who wrote the exam, got the same marks. If no two of them answered the same number of questions correctly, the marks scored
by these five friends could be what percent of the maximum marks?
a) 44%
b) 52%
c) 60%
d) 80%
hey guys .. help me out.. hardly one month for CAT 2015. and i dont find my prep sufficient. i am very very poor at QA(since i belong from non maths stream ) ,although my language section is pretty good . help me how to do smart studies in this one month. which topics to do in quant. and how to prepare for different types of DI and LR sets?... please help 😞
For which of the following values of 'k', the system of equations x^2 + 2y62 = 4 and x + 2y = k does not have a real solution?
a) 2√ 3
b) -4
c) √5
d) √
7
I and J are natural numbers such that 10
2x345xy, here x & y are single digit whole no. , and the no. is 7 digit id divisible by 11, find the value of (x+y)
if
1.x is greater than 4
2.y is greater than 6
which statement is sufficient to answer.