Mathematics

What is the value of x in the given equation: 3x + 3 = -9

• 4

• -4

• -6

• 6

What helps the camel to survive in desert ?

• It has long legs which prevents its body from the heat of sand

• Its leathery lips and tongue help it to eat thorny plants which grow in desert

• It loses a very small amount of water in the form of sweat and urine

• All of these

What is the volume of a cuboidal box with dimensions 12cm × 18 cm × 23 cm

• 4968 cm³

• 4657 cm³

• 4321 cm³

• None of these

What is the condition that occurs due to overnutrition?

• Obesity

• Malnutrition

• Kwashiorkor

• PCM

Which of the following is not a prime number ?

• 67

• 37

• 43

• None of these

Solve for x :- 13x × x² = 936

• 12

• 6

• -12

• 5

Every magnet has two poles. (True /False )

Which of the following is the incorrect statement?

• Carbon dioxide does not support burning.

• Nitrogen helps in burning of substances.

• Air is a mixture of gases.

• The percentage of carbon dioxide on Earth is 0.03% only.

Solve the following:-

12 + (-7) - (+234) + 345 - (-12)

• 128

• -128

• 135

• 369

____________________ disease is caused by the deficiency of Vitamin B1.