31. 15.60 x 0.30=?

1. 1. 4.68

   
   
   

   2. 0.458

   
   
   

   3. 0.468

   
   
   

   4. 0.0468

   
   
   

---

1. View Hint View Answer Discuss in Forum

   1560 x 30 = 46800

   Correct Option: A

   ∵ 1560 x 30 = 46800
   ∴ 15.60 x 0.30 = 4.6800
   = 4.68 ( Four places of decimal )

---

32. The product of 3.5413 x 2.1 is

1. 1. 7.44673

   
   
   

   2. 7.43673

   
   
   

   3. 7.53673

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   For the product of 3.5413 x 2.1
   Consider 35413 x 21 = 743673
   Total decimal places = 4 + 1

   Correct Option: B

   For the product of 3.5413 x 2.1
   Consider 35413 x 21 = 743673
   Total decimal places = 4 + 1
   ∴ 3.5413 x 2.1=7.43673

---

---

33. [( 3.242 x 14 ) / 100] = ?

1. 1. 0.045388

   
   
   

   2. 4.5388

   
   
   

   3. 453.88

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Multiplying 3.242 x 14=4.5388
   Now divide 4.5388 by 100

   Correct Option: A

   Multiplying 3.242 x 14=4.5388
   Now divide 4.5388 by 100
   So, 4.5388 ÷ 100= 0.045388
   ∴ Shift the decimal two places to the left as 100

---

34. 9.724 ÷ 100 = ?

1. 1. 972.4

   
   
   

   2. 9.724

   
   
   

   3. 0.09724

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Shift decimal two palaces to the left. i.e 100

   Correct Option: C

   9.724 ÷ 100 = 0.09724
   Shift decimal two palaces to the left. i.e 100

---

---

35. 5 x 0.25 x 6.301 x 0.00394=?

1. 1. 0.0310324220

   
   
   

   2. 0.0310324210

   
   
   

   3. 0.0310324250

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   Total decimal places=(2+3+5) = > 10

   Correct Option: C

   Here 5 x 25 x 6301 x 394=310324250
   Total decimal places = (2+3+5) = 10
   ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250

---