A locomotive engine runs at a speed of 50km/hr when no compartments attached to it.For every new compartments that is attached to it, the speed of the train is reduced by 10%of the earlier speed.At most, how many compartments can be attached so that the train can cover a distance of 180 km in 8 hours?
Find the least number which when divided by 6 , 7 , 8 , 9 and 12 leaves the same remainder 1 in each case ?
Use these Symbols (alt+ 236 ∞)(alt+ 241 ±), (Alt+ 242 ≥),(Alt+243 ≤), (Alt+ 246 ÷),Alt+ 252ⁿ), (Alt+ 253 ²), it may help you in Math section. Use 'Numlock' keys only
Q3. Two of the sides of a scalene triangle are 14 and 16. How many different integral values third side can take?a) 20b) 23c) 25d) 27
Q4. A non-isosceles acute triangle has sides as 15, 18 and 'n'. How many different integral values 'n' can take?a) 9b) 12c) 14d) 23
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IN a 200 mt race A beats B by 10 m or 2 sec . Find B's speed and A's speed?
0 lines cuts the plane into at most 1 region. A line cuts the plane into at most 2 regions. 2 lines cut the plane into at most 4 regions. What is the most number of regions that 9 lines can cut the plane into?
Triangle ABC has ∠BAC=20∘ and ∠ACB=75∘. P is a point in the interior of triangle ABC. Points D,E and F lie on BC,CA and AB, respectively, such that A,E,P,F are concyclic and C,D,P,E are concyclic. What is the measure (in degrees) of ∠DPF?Note: Points are concyclic if they lie on a circle.
A sum of 72820 is due to be repaid at the end of 3 years. If it is repaid in 3 equal installments at 10% PA, Find the value of each installment
A sum of money under Compound Interest, Interest being compounded half yearly doubles in 3 years. In how many years will it become 32 times itself?
Anup got 273 marks in graduation and got 5% more than the pass percentage. if siddharth got 312 marks then by what percentage above the pass marks,did he pass the exam?
please share your approach
Two persons having diffrent productivity of labour , working together can reap a field in 2 days. if 1/3 rd of the field was reaped by the first man and rest by the other one working alternativly took 4 days . how long did it take for the faster person to reap the whole field working alone ?
@jain4444 @scrabbler @chillfactor
I have a doubt in the following patterns of sums in SI-CI
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1. A sum of Rs.2912 is due to be repaid at the end of 3 years. If it has to be repaid in three equal annual installments( The first installment being paid at the END of the first year) at 20% p.a compounded annually. Find the value of each installment.
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2.A sum of Rs.72820 is due to be repaid at the end of 3 years. If it has to be repaid in three equal annual installments( Each installment being paid at the BEGINNING of each year) at 10% p.a compounded annually. Find the value of each installment.
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The OA posted for (1) is,
Let each installment be x. x(1.2)^2+x(1.2)^2+x = 2912.
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The OA posted for (2) is
x(1.1)^3+x(1.1)^2+x(1.1) = 72820.
Is this OA correct? I am not able to understand the logic. Please explain _/\_ 😃
I have a doubt in the following patterns of sums in SI-CI
-
1. A sum of Rs.2912 is due to be repaid at the end of 3 years. If it has to be repaid in three equal annual installments( The first installment being paid at the END of the first year) at 20% p.a compounded annually. Find the value of each installment.
-
2.A sum of Rs.72820 is due to be repaid at the end of 3 years. If it has to be repaid in three equal annual installments( Each installment being paid at the BEGINNING of each year) at 10% p.a compounded annually. Find the value of each installment.
-
The OA posted for (1) is,
Let each installment be x. x(1.2)^2+x(1.2)^2+x = 2912.
-
The OA posted for (2) is
x(1.1)^3+x(1.1)^2+x(1.1) = 72820.
Is this OA correct? I am not able to understand the logic. Please explain _/\_ 😃
In a village there are 150 men and 90 women in present time. if in next year population will be P=(a^2 +b^2)^1/2 , and in every year men are reduces 10%.
a. what is population of after 2 year.
b. after how many years women become more than men.
In one day a watch which are in 12 hour's reading. it format like H:M1M2
in one day how many times repeated when 'H' divided by 'M1' and it gives 'M2' as remainder.
from 1-500 how many numbers are there which are multiple of 7 or whose digit sum is 7.
AD=BE=CF=AB/3 , ABC is equilateral , ratio of area of triangle PQR and ABC ?
AD=BE=CF=AB/3 , ABC is equilateral , ratio of area of triangle PQR and ABC ?
@Dexian explanation uploaded BOSS!!
Three sprinters A B and C had to sprint from points P to Q and back again(starting in tht order). The time interval between the starting times of the three sprinters A, B and C was 5 seconds each. Thus C started 10 seconds after A, while B started 5secs after A. The three sprinters passed a certain point R, which is somewhere between P and Q, simulatneously (none of them having reached Q yet). Having reached Q and reversed the direction, the third sprinter met the second one 9m short of Q and met the first sprinter 15m short of Q. Find the speed of the first sprinter if the distance between PQ is equal to 55m.