Math Quiz

What is the unit digit in 978 ?

• 8

• 2

• 1

• 9

what its the value of sin(240⁰)

• √3/2

• -√3/2

• ½

• None of these

The sum of first 45 natural number is

• 1035

• 1280

• 2070

• 2140

The difference between the place value and the face value of 6 in the numeral 856973 is

• 973

• 693

• 5994

• None of these

Worker A completes a task in 8 days and worker B completes the same task in 10 days. If both A and B work together, in how many days they will complete the task?

• 7 days

• 40/9 days

• 40/10 days

• 40/8 days

If 15 men can reap the crops of a field in 28 days, in how many days will 5 men reap it?

• 50 days

• 68 days

• 84 days

• 91 days

If 30% of a certain number is 12.6, what is the number?

• 24

• 41

• 43

• None of these

Find the missing term of the given expression: 18.834 + 818.34 - ? = 618.43

• 217.644

• 218.744

• 217.744

• 217.844

If A*B implies A2+B2. What is the value of 6*(2*4)?

• 998

• 546

• 384

• 436

x=(489 +375)² - (489-375)2489×375

• 144

• 864

• 2

• None of these