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A vendor purchases binder clips at 12 for Rs.60. How many clips should he sell for Rs.60 to earn a profit of 20%?

We can find the cost price of the 1 clip: 12 clips = Rs 60 1 clip = 60 ÷ 12 = Rs 5 The profit of the 1 clip is 20% profit = 0.2 x 5 = Rs 1... View Article

Find the median of the first 50 whole numbers.

The first 50 whole numbers are 0, 1, 2, 3, 4, …, 49. Here n ( number of the given number) = 50, which is even Median = ½ {(n/ 2)th... View Article

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through A) 145° B) 150° C) 155° D) 160°

Angle traced by hour hand in 12 hrs = 360° Angle traced by hour hand in 5 hrs 10 min. i.e., 31/6 hrs (360/12 x 31/6)° =155°... View Article

Which one of the following is greater: (a) 5.0 (b) 0.5 (c) 0.005 (d) 0.05

Option a)5.0 As we know, Any decimal is equivalent to the number without decimal divided by 10 x (number of integers after the decimal). 5.0... View Article

Write the prime factors of 28 and 36 through division method.

The number is 28 divide by the least prime number, 2 x 2 x 7 Now, divide 36 2 | 36 2 | 18 3 | 9 3 | 3 | 1 36 = 2 x 2 x 3... View Article

What is the difference between at least one head and at most one head in probability?

At most one head means number of heads can be 0 or 1. At least one head means the number of head is greater than or equal to 1. For example:-... View Article

How many minutes are there in a week?

There are 7 days in a week in each day there are 24 hours in each hour there are 60 minutes. 1 day = 24 hours so 7 × 24 = 168 hours 1 hour... View Article

In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. What is the duration of the flight?

Answer: Given: Total distance = 600 km Average speed reduced = 200km/hr. Time of flight increased = 30 minutes Average speed = Total... View Article

What are co-interior angles?

Co-interior angles are the interior angles lying on the same side of the transversal and have different vertices. Co - interior angles lie... View Article

What is the multiplicative inverse of -(-4/7)?

The multiplicative inverse of a number is a number that nullifies the impact of the number to identity 1. Multiplicative inverse of -4/7 is -7/4.... View Article

What percentage is 2 minutes 24 seconds of an hour?

We know that 60 seconds = 1 minute Therefore, 24 seconds = 24/60 2 minutes 24 seconds = 2 + 24/60 Now we are supposed to find What percentage... View Article

The product of the successor and predecessor of 999 is?

The task here is to find the successor and predecessor of 999's product. So we'll start by looking for the number's successor and predecessor.... View Article

In a poultry farm, 50 hens give 200 eggs in 2 days. In how many days will 20 hens give 400 eggs?

Answer: Given: 50 hen give 200 eggs in 2 days. We have to find how many days are required for 20 hens to lay 400 eggs. Let us consider H1, D1... View Article

If sin2A = 2sinA. Find A

Sin2A = 2SinA 2SinA Cos A = 2SinA 2SinA(Cos A-1) = 0 Sin A =0 or Cos A =1 A = 0 Degree or 45 Degree... View Article

A year starting with Monday and ending with Tuesday. How many days are there from 16th January to 15th march of that year?

Answer: A normal year starts and ends at the same day. The leap year, on the other hand, will always begin on one day of the week and end on the... View Article

What are integral roots?

The numbers which satisfy the value of a polynomial are called its roots .The roots which are integers i.e not irrational or imaginary are called... View Article

4 Bells toll together at 9:00 A.M. They toll after 7, 8, 11, and 12 seconds respectively. How many times will they toll together again in the next 3 times?

Answer: 5 times From given, we have, 9:00 AM + LCM ( 7, 8, 11 & 12 ) ⇒ 9:00 AM + 1848/60 Min = 9:00 AM + 30.80 min In 3 hours there... View Article