Let T be the set of integers {3,11,19...467} and S be a subset of T such that the sum of no two elements of S is 470. The maximum possible no. of elements in S is?
a) 32
b) 28
c) 29
d) 30
e) None of these
A, B,C running a race. When A finished, B was 20 meters behind and C was 34 meters behind. when B finished, C was 21 meters behind. (each runner ran with constant speed). Find the length of the race ?
Ques #26,27 ..solution?
A book contains 100 pages,numbered from 1-100.Out of these pages some pages are removed.The sum of the remaining page numbers is 4949.Find the number of pages removed?
I dont have the answer options.
But i got answer : 2 pages were removed. (4949= 49 * 101)
= (98/2)*(99+2)
Please explain the process and answer....I am really confused hw to solve this.
Please help guys.
@scrabbler
The following table gives the maximum and minimum temperatures in four cities during a particular week. The temperatures increase or decrease linearly. Maximum temperature in any city is recorded at 12:00 noon and minimum temperature is recorded at 2:00 a.m.
1.On which day was the temperature at 4:00 p.m. in New York, the highest?
Day 1
Day 3
Day 5
Day 6
2. Find the temperature in New York at 3:00 p.m. on day 3.
25°
26°
27°
24°
there are 15 students and two circular tables with 7 and 8 chairs respectively. find the number of ways of arranging the students in these tables?
approach plzzzzzzzzz?
in A 3 dgt no, the diff bet the 100s dgt and 10s dgt = diff bet the 10s dgt and units dgt. also the sum of the dgts is 9. hw mny nos are possible which satisfy the given cond.?
options are 6,7,8,9.
In triangle ABC, D is a point on BC such that BD = DC. BE is an altitude drawn on AC. If ∠ADB = 45° and ∠ACB = 30°, what is the measure of ∠ABE?
a30°
b60°
c45°
dCannot be determined
A and B start simultaneously from P and Q towards Q and P respectively. The speeds of A and B are 25 kmph and 32 kmph respectively. They meet at R and immediately return to their respective starting positions after exchanging their speeds. If the distance between P and Q is 2000 km, then the difference in times taken by A and B to reach their respective starting positions is?
15.5 hours
20 hours
16 hours
17.5 hours
A and B start simultaneously from P and Q towards Q and P respectively. The speeds of A and B are 25 kmph and 32 kmph respectively. They meet at R and immediately return to their respective starting positions after exchanging their speeds. If the distance between P and Q is 2000 km, then the difference in times taken by A and B to reach their respective starting positions is
15.5 hours
20 hours
16 hours
17.5 hours
If you have infinite number of coins of Rs. 10, Rs. 15 and Rs. 18, then what is the maximum sum that you can't pay using these coins only?
@scrabbler Help with these kind of questions please
approach for this Q
Please solve this one: Arun Sharma book Block Geometry Pre-Assess Test Q.11 Pg.343In the figure given below, a circle is inscribed inside a square. In the gap between the circle and the square (at the corner) a rectangle measuring 20cm X 10cm is drawn such that the corner A of the rectangle is also a point on the circumference of the circle. What is the radius of the circle in cm?
a) 30cm b) 40cm c)50cm d)None of these
The grass in a pasture grows at a steady rate. On the morning of April 1st, some horses are allowed to graze in the pasture. If 28 horses graze, the grass gets over on the 20th of April while if 35 horses graze, the grass gets over by the 10th of April. How many horses must be introduced into the pasture so that the grass is exhausted on the 14th of April?
30
33
31
None of these
A square is inscribed in a circle and the circle is inscribed in a regular octagon. Find the ratio of thearea of the square to that of the octagon.
(a) (1+ rt2):4 (b) (2 rt2 −1):4 (c) (rt2−1):4 (d) Cannot be determined
numbers :
explain plz
Question:
Praveen buys two cans of milk from a manufacturer. The 2 cans are diluted to the same extent. To can 1 Praveen replaces 10 litres of the solution with pure milk and the concentration of milk becomes twice of what it was. To can 2 he replaces 20 litres with pure milk, what is the ratio of concentration of can 1 initially to that in can 2 finally.
Options:
1. 1:1.5
2. 1:2
3. 1:3
4. 1:4
5. cannot be determined
The following problem consists of a question and two statements labeled as (i) and (ii). You have to decide whether the data given in the statements are sufficient to answer the question. Mark the appropriate choice from (1) to (5).
Nine consecutive integers are there. What is the largest number?
(i) Average of the first five numbers is 35.
(ii) Sum of all the numbers is 45.
Statement (i) alone is sufficient, but statement (ii) alone is not sufficient.
Statement (ii) alone is sufficient, but statement (i) alone is not sufficient.
Each statement alone is sufficient.
Both statements (i) and (ii) together are sufficient, but neither statement alone is sufficient.
Statements (i) and (ii) together are not sufficient.
how to find of number zeros in 10^10^10^10 ?