29. If 80 lamps can be lighted 5 hours pr day for 10 days for Rs. 21.25 then the number of lamps which c
A.100
B.120
C.150
D.160

---

30.  If 12 carpenters working 6 hours a day can make 460 chairs in 24 days how many .chairs will 8 carpe
A. 1260 •
B.1320
C.• 920 •
D.1380

---

31. 400 persons working 9 hours per day complete 1/4 th of the work in 10 days The . number of additiona
A.675
B.275
C.250
D.225

---

32. If 9 examiners can examine a certain number of answer books in 12 days working 5 hours a day for how
A.6
B.8
C.9
D.10

---

33. If 17 laborers in dig a ditch 20 In long in 18 days working 8 hours a day; how many more laborers sh
A.34
B.51
C.68
D.. 85

---

34. 20 men complete one-third of a piece of work in 20 days. How many more men should be employed to fin
A.10
B.12
C.15
D.0

---

35. If 18 binders bind 900 books in 10 days how many binders will be required to bind 660 books in 12 da
A.22
B.14
C.13
D.11

---