A pond’s lotus count doubles each day. If it is fully covered on day 30, on which day was it half covered?
  • Day 1 because it starts from one lotus
  • Day 28 because halving needs two days
  • Day 29 because doubling works backward one day
  • Day 15 because it is the midpoint
Estu has 4 dresses and 3 caps. How many different outfits can be made by choosing one dress and one cap?
  • 7
  • 10
  • 12
  • 24
A lock uses a 3-digit code where each digit can be 0–9. How many possible codes are there in total?
  • 90
  • 900
  • 1000
  • 9999
What is the value of ?
  • Undefined
  • 1
  • 0
  • 2
A number in scientific notation is written as x \times 10^y with 1 ≤ x in this form?
  • magnitude
  • multiplier
  • exponent
  • coefficient
Roxie weighs 45 kg and 1 kg of jaggery costs ₹70. Estimate the worth of jaggery equal to Roxie’s weight.
  • ₹3570 around
  • ₹3150 approximately
  • ₹3000 roughly
  • ₹4500 exactly
Which population size is closest to in scientific notation?
  • Roughly 242 Kakapo remaining today
  • Around 33 billion global chickens alive
  • About 200 million water buffaloes worldwide
  • Approximately 1.3 billion starlings worldwide
Which time is closest to seconds?
  • About 1 day
  • About 8 minutes
  • About 3 hours
  • About 15 minutes
Which name corresponds to in the modern international large-number system?
  • decillion
  • octillion
  • nonillion
  • quintillion
2. Which of the following exponents in expanded form represents the number 5629.354?
  • 5 × 104 + 6 × 103 + 2 × 102 + 9 × 101 + 3 × 10−1 + 5 × 10−2 + 4 × 10−3
  • 5 × 104 + 6 × 103 + 2 × 102 + 9 × 10−1 + 3 × 10−2 + 5 × 10−3 + 4 × 10−4
  • 5 × 103 + 6 × 102 + 2 × 101 + 9 × 100 + 3 × 10−1 + 5 × 10−2 + 4 × 10−3
  • 5 × 103 + 6 × 102 + 2 × 101 + 9 × 10−1 + 3 × 10−2 + 5 × 10−3 + 4 × 10−4
4. What is the value of ‘p’ if 112p + 11 = 1/1331?
  • 7
  • -7
  • 11
  • -11
5. What is the area of a rectangle in standard form whose length is 17 × 105 m and breadth is 1.7 × 104 m?
  • 2.89 × 10−9 m2
  • 2.89 × 109 m2
  • 2.89 × 10−10 m2
  • 2.89 × 1010 m2
What is the value of any non-zero number raised to the power of zero? For example,
  • 7
  • 0
  • Undefined
  • 1
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0